Dimasa Grupo was founded in 1986 with the aim to produce plastic and polyester components for the industrial sector. 30 years later Dimasa Grupo has become the leading company in the sector of the Glass-Fiber Reinforced Polyester (GRP) tanks and equipment. Due to the founders commitment for environment preservation over more than two decades and thanks to specialized engineers incorporation, Dimasa Grupo has become a leading specialists in the treatment of Water and Waste, Biogas and Energy Valorization. Dimasa Grupo human team commitment for the pursuit of excellence and professionalism has enabled them to design a last generation leachate treatment technology and a biogas cleaning process which reports greats results with an operating cost reduction for our costumers Dimasa Grupo performs all its projects under the "turnkey" concept: feasibility study, design, manufacture, delivery, implementation and after-sales maintenance. Currently, the group has a dedicated division exclusively to the treatment of effluents, Dim Water Solutions, and a productive branch in Mexico, Dimamex.
Dimasa Grupo has modern facilities. The industrial warehouse of Spain, located in Vacarisses, near Barcelona, has the headquarters of the company. The distribution of our departments is as follows: -
Management Technical and engineering department Quality department Financial department Administrative and logistics department Commercial department Supplier department Marketing and communication department
The production plant of Dimasa Grupo is equipped with high technology for the production of our equipment, complying with the highest quality requirements and current regulations. The factory, with an extension of 5,000 mÂ˛ and a team of 40 workers, is divided into the following workspaces: -
GRP Manufacturing workshop Assembly workshop Painting workshop Blacksmithing and Welding workshop Warehouse
We also have our own fleet of vehicles, which allows us to be more agile and competitive in our logistics department: - Truck with a Tare Weight of 11,500 kg. and equipped with a crane. - Open box semi-trailer for truck with an MMA of 31,000 kg. and a length of 12.8 meters. - Extensible truck gondola with an MMA of 19,000 kg. and for a maximum length of 17.5 meters. - 3 Vans.
The facilities have a modern equipment that allows us to accept any type of order and adapt to the needs of our most demanding customers:
6 bridge cranes 2 forklifts Lathes for flanges Special saws for working iron Welding equipment Filament winding machine, adapted and redesigned by our engineers, to be able to assume all type of projects. The molds range from 1 meter to 4 meters in diameter, and can reach up to 11 meters in one piece, depending on the diameter selected. - As for the funds we have, our technology allows us to make, among others, the following types of funds for our deposits: -
Thermospheric Wallpapers (Klopper) Semi-Epiphytic Backgrounds (Korbbogen) Semi-Spherical Backgrounds Conical Backgrounds Flat Funds
Dimasa Grupo has modern facilities in Mexico, where we have a production plant in Puebla under the name of Dimamex. From this production center, we manufacture and export our products for the entire Latin American and American Market. All our tanks comply with the regulations ASME RPT1 and UNE-13121, so that the tanks of DIMAMEX, GRUPO DIAZ MARTIN MEXICO SA DE CV, can be manufactured and distributed all over the world. In recent years, our company has stood out for its contribution in the construction of the Wastewater Treatment Plant of Atotonilco (Mexico), one of the largest in the world, and thanks to the engineering and equipment of Dimamex in the treatment of Biogas, manages to self-supply with 70% of electricity. That is why the PTAR was awarded by the Inter-American Development Bank (IDB) with the Infrastructure 360ยบ Prize.
Dim Water Solutions directs its activity to the development and application of technologies for the treatment of waters and biogas. The group is based on research, development and technological innovation (R+D+i). This allows it to offer state-of-the-art plants, always customized according to the needs of the client and with the objective of optimizing the maximum efficiency of the equipment, for the treatment of effluents of different types of productive processes.
In the last years we have designed a process of treatment of leachates and one of cleaning of biogas of last generation that allow to reduce the costs of exploitation of the client. This biogas treatment system has been awarded with the TecnoenergĂa 2012 Award for the best technological product and the Cambra 2015 Innovation Award.
The capacity and the experience of an international group, Customer service, wherever needed.
Spain (Production Plant) MĂŠxico (Production Plant) Colombia Ecuador Chile
What guarantees us?
What guarantees us?
What guarantees us?
Drinking Water treatments and emergency equipments
Waste Water treatments
Compact Water Treatment plants
Sludge Hoppers, Thickeners and Decanters
Double walls tanks GRP
Polyester and various profiles
Biogas: cleaning and conditioning
Biogas pumping and burning stations
Biogas Cleaning and Conditioning in container
Deodorization Chemical Process
Activated Carbon Deodorization
Deodorization Biological Process
Drinking Water from Seawater, brackish and inland water Customized, compact and energy efficient plants.
Dimasa Grupo design compact and customized water treatment plants to suit with the customer needs. Easy to move, low installation and low shipping costs, due to they are installed in containers.
Why us? Dimasa Grupo has extensive experience in the design and construction of seawater and brackish water desalination plants Reverse Osmosis, by spiral wound membranes, is used as the best solution for the desalination process. Total elimination of parasites, bacteria, viruses and suspended solids. Different types of membranes are incorporated to desalinate any kind of water (seawater, brackish or inland water). In order to produce drinking water wherever needed. Easy to operate and handling. The design in that format allow to modulate the plant to furthers upgradings, increasing they capacity.
WasteWater treatment plants Urban and Industrial waste water treatment to produce drinking water The aim of the treatments is the production of clean and/or reusable waster from a wastewater, as well as, the obtention of a valorized solids (sludge). Depending on the characteristics of the water to be treated and their location, Dimasa Grupo design the best solution for each case, selecting the most appropriate wastewater treatment in each application.
Upgrading existent facilities to Dimasa MBR, we fulfill increase the capacity by three times. By implementing our immersed flat membranes modules, it is managed to triplicate the capacity of the existing treatment facilities. MBR increase the treatment capacity without any requirement of space.
Projects are designed based on your needs The best solutions is proposed in each case. We are able to supply projects already defined or we design new projects depending on the flow and existing pollutants loads, always adapting the best possible solution.
Aimed for industrial wastewaters, which contains inorganics materials or impossible to be treated biologically.
Compact Water-Treatment plant Equipment Reinforced Polyester Fiberglass
Dimasa Grupo designs and manufactures compact debug horizontal arrangement to bury or surface cradles GRP. Reducing pollutants to comply Sewer Discharge, public waterways or reuse.
With each project we deliver a memory design.
Its design and raw materials used in the manufacturing process offer an easy interior cleaning compact, high durability and low maintenance. Easy installation and assembly.
Thanks to the indoor unit installed MBR micro-ultrafiltration managed to reach the highest possible degree of purification.
ACCESORIOS: -Agitors -Pump Drive -Partitaion Wall -Air diffuser for fine bubble -Ejectors -Blowers -Screen roughing -Switchboards maneuvering
We design fully automated plants that do not require staff presence
Dimasa Grupo engineers designed the plants minimizing energy consumption and maintenance. Decontamination of soils and waters contaminated by hydrocarbons requires a specific technology for each case, depending on whether it is an aquifer or a soil washing.
We manufacture portable installations presented in shipping container format featuring a lightweight, compact, rigid and robust structure. Besides the design in this format to have a maximum capacity modulation. To be composed of modules do not require civil works and operation and installation are very simple. They are fully automatic equipment that does not require the presence of personnel.
We design plants adapted to customer needs
Plants to remove gases from water Dimasa Grupo manufactures and assemble water treatment facilities for removing gaseous pollutants by stripping processes.
Benefits Design and custom manufacturing of all equipments allowing higher performance at lower cost. Simple technology to obtain optimal results in the deaerators of liquids. Elimination of gases (CO2) dissolved in water. Removal capacity over 90%. Avoids corrosion problems in equipments.
Dimasa Group: union between manufacturing and engineering We manufacture all equipment designed directly by our engineering department.
Solar Purifying Plant
Water purifier for areas without electricity Dimasa Grupo has developed a specific water purification unit for areas that do not have electricity supply. The device is suitable for any type of water, from lightly contaminated water to sea water, which makes it very versatile against the wide range of waters to be treated.
Components - Power supply compatible with:
Renewable Energy (Solar, Wind ...) External Generators - Metallic structure
- Water tank for drinking wate - Area for inflatable storage tanks
- Forced Air Circulation
Treatment of leachates Novel system for the purification of contaminated water Dimasa Grupo has created special modules to treat leachate and purify contaminated water, based on the premise of the use of open channel modules for such treatment. Dimasa Grupo’s last generation modules are designed for application in the field of contaminated water, giving special attention to landfill leachates due to their special characteristics. Its design has been a task of many years of research since conventional membrane technologies, by their configuration, prevented the use of the osmosis technique with a liquid so charged.
Dimasa Grupo: the union between manufacturing and engineering
Landfill leachates are one of the most polluted and complicated water to deal with that we can find, mainly due to its high saline component and high organic load.
Membrane Modules “DFCT”
Hydraulic disc "DT"
Industrial Water Treatment Pilot Plants With our system can recover much of the water from your waste The goal is to save water, avoid costly fines imposed, and improve the environmental image of your company. The resulting water is of such quality that, in addition to complying with the legislation of water discharge, in most cases it can be reused in the process.
Integral system in three phases: Pretreatment or primary thinning, Physical-Chemical Treatment, and a Combined Treatment of Membranes (Ultrafiltration, Nanofiltration and Reverse Osmosis). The development of these membranes are the result of years of research and are manufactured exclusively for Dimamex equipment.
Turns a problem into a new fountain of resources
You can test our pilot plant, we carry out the tests and the feasibility demonstration of our technology
Advantages of Dimasa Grupo treatment Recovery of clean water of up to 90% of the total. Ability to adapt to the needs of each water. Avoid legal penalties for water spills. Operation and maintenance of maximum simplicity.
¡Will convince you!
Allows rapid expansion of work capacity. System supported by a large number of references.
Filtration system for solid-liquid separation of waste water
The rotating sieve are equipment for the filtration or sieving of waste water and liquids in general in order to perform a solid-liquid separation. By its conception, it is a device of self-cleaning operation, capable of operating for long periods of time without needing attention.
Aplications: They are ideal for pretreatment of waste water: high-fat food sector (dairy, slaughterhouse, fishery, warehouses...), paper and plastic industry, primary treatment replacing the primary decanter...
How works a rotating sieve? 1. The liquid to be filtered enters the rotating sieve through the inlet pipe and is evenly distributed along the entire filter cylinder which rotates at low speed. 2. The solid particles are retained on the surface of the same and are led to the scraper, which is responsible for separating and depositing them on a inclined tray for gravity fall. 3. The liquid passes through the cracks of the filter cylinder and is drawn towards the outlet located at the rear.
Elements of a rotating Sieve: Filter cylinder made of AISI 304 stainless steel. Body made of AISI 304 stainless steel. Cleaning scraper in brass. Internal cleaning system using pressurized water. Reducer motor of great robustness and free of maintenance. Optionally, with an overflow piece.
Automatic Polyelectrolyte Preparers
Equipment for the preparation of the solution from powder, emulsion or dual
The solutions of polyelectrolyte are polymers that possess electrolytic groups, which favors the processes of separation between the solid and liquid phases. To optimize its use, Dimasa Grupo offers different systems intended for automatic and continuous preparation. The advantages of these equipments are: considerable saving of polymer, precision in the preparation and dosing optimizing the treatments, and space saving and centralization of the installation. Applications:
Model DimW Top, Improved system
Treatment of drinking water and industrial process. Waste water treatment, in physical-chemical treatments. Treatment of sludge. Industrial processes in paper, chemicals, minerals...
Versions and operations:
With color touch screen of easy operation with display and control of all parameters. In addition, it includes automatic regulation of dosage percentages through control software.
Elements of our equipment:
The dilution water reaches the tank through the automated collector. The polyelectrolyte stored in the dispenser hopper is extracted and discharged onto the dispersion cone of a water nozzle. The mixture falls by gravity into the first compartment and passes through siphons to the second and third. The control and control panel is responsible for operating the entire system automatically, ensuring correct dosing and preparation.
Automatic water supply system.
For the emulsion of polyelectrolyte we use a pump designed specially for liquids with viscosity of up to 8,000 Cps in standard version and up to 50,000 Cps on request.
Heating resistance and methacrylate peephole.
PPH polypropylene tanks. Propellers designed and optimized in INOX. Volumetric dispenser built in PPH. Electrical protection panel and control with touch screen.
Ultrasonic level probe with warning alarms.
Float by Cavitation
Equipment for the Physical-Chemical treatment by flotation (DW CAF)
The DW CAF Float by Cavitation is an equipment designed for the separation of fats, suspended solids and colloids from urban and industrial wastewater. Its design features give it a high performance, being a team able to operate for long periods of time without needing attention, with total autonomy. Applications: It is indicated for use in urban and industrial wastewater treatment plants such as slaughterhouses, canning plants, pre-cooked dishes, dairies, cheese factories, or any type of agri-food industry where there is presence of fats, suspended solids and colloids.
How works a DW CAF? The system is based on the injection of micro bubbles of air to the waste water stream to be treated, by means of a submersible turbine. The waste water enters from below and is led to a central conduit where the turbine is housed, the suspended solids adhere to the micro bubbles, and are raised to the surface where a surface sweep system separates them. Heavier solids decant in the conical bottom and are extracted by a lower purge. The treated water passes through a siphon system and leaves the top through an adjustable dump to choose the working height, adapting to the type of solid and quantity to be separated.
Elements of a Float by Cavitation: Tank body in stainless steel AISI 304. Superior structure in stainless steel profiles for fastening the surface sweeping system. Double arm surface sweeping system. Built-in speed variator to regulate the optimum speed of sweeping, and adapt it to each installation. Turbine generator of special design for micro bubbles.
Storage Tanks Fiber Glass Reinforced Polyester Tanks (GRP) GRP tanks have a high chemical, mechanical and external corrosion agents resistance. The design and the raw materials used in the tank manufacturing process provide easy cleaning, high durability, zero maintenance and easy repair to mechanical breakdown. The Fiber-Glass Reinforced Polyester is a good thermal and electrical insulator, but also the tanks are lightweight and easily transportable. Depending on the product to contain, the concentration, and temperature, we use the most appropriate materials for each application. To calculate thickness of the tank, we consider: volume, product density, earthquake, wind, snow, live causes, external causes and product temperature.
With each project, we deliver design reports of each construction
Double wall tanks GRP Tanks manufacturer
Dimasa Grupo manufactures tanks Reinforced Polyester Fiber Glass vertical flat with lower surface and upper toriesfĂŠric base, double wall APQ006 complying with the regulations to prevent the construction of the drip pan.
Advantages High chemical and mechanical resistance. Lightweights and easily transportable. Saving space on the ground. High durability and no maintenance. Easy cleaning and repair to a break mechanics. Thermally and electrically isolated. High resistance to external corrosion agents. Saving in the construction of containment
All our tanks have a dual camera or three-dimensional tissue to prevent leakage or loss of product
Sand Filters GRP
Manufacturers big pressure sand filters
Dimasa Grupo manufactures pressure sand filters in fiberglass polyester reinforced. They are designed to operate at pressures up to 10 bar, which are ideal for those processes requiring a pretreatment filtration. Another important factor of polyester fiberglass reinforced is the high temperatures resistance, both high and low (-30 to + 120 °C) and low weight. GRP pressurized filters of Dimasa Grupo are the better option for the treatment of salt and brackish water in desalination and purification process. The secret of success of our filters is to combine and give coherence to the various fabrics and materials existing on the market, which used accurately, allow us obtain a greater resistance to chemical and mechanical level.
Advantages and benefits Optimal for ﬂuids in extreme environmental conditions. Lightweight and easily transportable.
Filters tank Horizontal sand
Low thermal conductivity. High durability and low maintenance. Customization according to speciﬁcations and customer needs: adaptation of connections, operating pressure, color and dimensions. Standard Compliance : EN-13121, BS-4994 y ASME X. Use of all types of resins: Orthophthalic, Isophthalic, bisphenol and Vinylester.
Cartridge filter GRP for Seawater PRFV Manufacture of pressurized shells for filters cartridges
Dimasa Grupo pressurized shells for cartridge filters provides optimal operation for seawater filtration any salinity degree, reducing the maintenance required in these conditions and optimising installation cost of the filtration equipment. It can be applied used for of all kinds liquids from any salinity degree to be filtered. Our horizontal tanks High Flow (HP) used for process optimization archives the maximum discharg versus space as possible in the process of filtering high flow sea water. The shell is specially designed to facilitate change operation and maintenance cartridges. This design allows access to all internal elements for maintenance and repair. To the normal design you may include a davit opening in the upper bottom.
Advantages and benefits Lightweight and easy installation. Customization according to specifications and customer needs: adaptation of connections, operating pressure, color and dimensions. Compliance with standards BS-4994, UNE 13121 and ASME X. Internal parts made of plastic. (No metal contamination). Our cartridge filters are designed to accept all kinds of standard cartridge of the market.
Sludge Tretament Equipments
Hoppers, Thickeners and clarified manufactured in Fiber-Glass Reinforced Polyesther
GRP tanks have a high chemical, mechanical and external corrosion agent resistance. The design and the raw materials used in the tank manufacturing process provide, easy cleaning, high durability, zero maintenance and easy repair to mechanical breakdown. The Fiber-Glass Reinforced Polyester is a good thermal an electrical insulator, but also the tank is lightweight and easily transportable. Depending on the product to be contained, the concentration, and temperature, it is used the most appropiate materials for each application. Dimasa Grupo manufactures all its deposits as manufacturing standards: UNE EN 13121-3:2010 and ASME RTP1-2011.
Thickeners and clarifiers use a phycical method to separate components of different densities.
Manufacture of pipes and fittings (GRP)
Dimasa Grupo manufactures all kinds of pipes and fittings Reinforced Polyester (GRP). Our products cater to all types of projects for different industries: water desalination, sewage, irrigation networks, water supply, waste collectors, civil engineering ...
Why use our pipes? Easily transportable. Cost savings in assembly and placement. Total sealing: perfect union by chemical bonding. High durability and no maintenance, thanks to the high chemical and mechanical resistance to corrosive agents. Customization of all our products in its manufacture: color and features tailored to customer needs. We manufacture all kinds of accessories specifically designed for all types of works proposed by the client. Our manufacturing system allows us to vary the winding angle of all our pipes (Roving) for increase their mechanical capabilities.
Polyester and Various Profiles
Solutions Glass Reinforced Polyester Fiberglass (GRP) Dimasa Grupo factory mounts fiberglass profiles for all type of industry..
Benefits High durability, easy cleaning and zero maintenance. The GRP is perfect for making would outline material because it is a good thermal and electrical insulator, has high chemical and mechanical resistance, high resistance to external corrosion agents and its easy to repair in case of breakage. Manufacturing of polyester resin with yarn winding, to protect against a sunlight. We can make any type of structure. Lengthen its life with screws in steel inoxidable.
Oil removed from contaminated waste water
Hydrocarbon separator plants serve to remove the residual mineral oil from industrial water. This installation is required at service stations, car washes, repair shops, garages and specific industrial applications.
Advantages and Benefits Higher performance at a lower cost due to our own design and custom manufacturing of all equipment. Our mobile and easy unit reduces shipping and assembly cost. High chemical resistance to corrosive agents. Quick installation and commissioning. High mechanical strength. Adequate thickening for any application following UNE-EN 12121 or ASME.
We manufacture all equipment designed directly by Our engineering department.
Covering in GRP
Fully customized top closure structures
Dimasa Grupo designs, manufactures and installs self-supporting cylindrical and rectangular modular coverings for tanks, decanters, digesters and sludge thickeners, whether or not fitted with a gangway or central pillar. Coverings of this type are used in areas of water purification, desalination plants and areas where the corrosive environment is predominant.
Procedure and manufacturing materials WATERPROOF BARRIER: also called anticorrosive barrier, because it is directly exposed to the medium. This layer has a higher resin content (around 70% by weight). STRUCTURAL LAMINATION: in the case of the bottoms, we use the hand lay up procedure, and in the case of the ferrules, continuous winding, applying fiberglass helices in roving format by mechanical means.
Wavy circular covering
FINISHING COAT: a white finish coat is used.
Advantages of our system in GRP Great resistance, chemical, mechanical and external corrosion agents. The service life of our GRP equipment is about 50 years.
Flat circular covering
Undulating semicircular covering
Complying standards UNEEN 13121-3: 2010 and ASME RTP1-2011 Our manufacturing process, the projection by molding, offers more possibilities in terms of design than other techniques.
We also perform in GRP the walkways, stairs, grids, railings, profiles and accessories of the covering installation.
Biogas Upgrading Plants
Processing plant from Biogas to Biomethane Dimasa Grupo provides a special technology of CARBOTECH that allows purification of biogas to transform it into biomethane. Biomethane gas is an attractive alternative to fossil fuels. Its production is environmentally responsible, efficient and renewable. It can be mixed with natural gas and injected into the conventional gas pipeline.
Benefits - The pressure swing adsorption (PSA) process is a dry biogasupgrading process with low operational costs: No process water, no process water conditioning; no waste water, no waste water treatment; no chemicals and no off gas with toxic contaminants - Mobile units for easy transport and installation, reducing maintenance. - Mount modules (container) -Quick installation and commissioning.
Integrating this technology increases the yield of Methane and improves the overall efficiency of the plants. And obtain quality biomethane gas for a automotive or injection to the natural gas network.
Biogas: cleaning and conditioning Reduce operational expenses on biogas treatment plant
Increase the biogas quality produced and prolongs the life of the biogas engines. Dimasa Grupo Biogas Cleaning guarantees the reduction of harmful components for engines and the environment (steam, solid particles, H2S, siloxanes and VOCs). Energy consumption reduction from 50 % to 60 % using in biogas cleaning and conditioning.
Dimasa Grupo has developed a biogas cleaning technology which reduces operational expenses, ensuring the best gas quality for electricity and/or heat production, extending the life of engines with the lowest maintenance.
We built part of the world located in Atotonilco, Mexico, with capacity to treat 14 000 Nm3 / h larger WWTP.
Pumping and Burning Biogas Biogas combustion plant in landfill
Dimasa Grupo has created a new specific equipment for pumping and burning biogas. Our system captures and analyzes the cumulative biogas in the landfill, before and after burning to ensure proper transformation of methane to CO2.
Why burn Biogas? Economic benefits by the sale of carbon credits. Adaptation and compliance with safety norms. Our system consists of mobile units for easy transport and assembly. Improved stability in the Natural system of landfill compaction. Quick installation and commissioning.
Our team ensure a total conversion of methane to CO2, for achieving a perfect combustion
Glass Reinforced Polyester equipments (GRP)
Dimasa Grupo builds gas treatment facilities for urban sewage and industrial wastewater. The contaminant removal process by scrubber is accomplished by neutralization reactions that eliminate acid and alkaline components.
Benefits Removal of CL 2 , HCL , NH3 and other gases. Neutralization reactors made of GRP high reliability, durability efficiency and getting the best quality of emissions. Emissions completely odorless. Facilities designed and customized to customer needs. Elimination yields higher than 99%. Filler high efficiency.
Chemical Process for Deodorization Glass Reinforced Polyester equipments (GRP)
Dimasa Grupo builds gas treatment facilities for urban sewage and industrial wastewater. The contaminant removal process by chemical deodorization is accomplished by neutralization reactions that eliminate acid and alkaline components.
Benefits Removal of H2S, mercaptans and NH3 via chemical. Neutralization reactors made of GRP high reliability, durability efficiency and getting the best quality of emissions. Emissions completely odorless. Facilities designed and customized to customer needs. Elimination yields higher than 99%. Filler high efficiency.
Dimasa Grupo: union between manufacturing and engineering We manufacture all equipment designed directly by our engineering department.
Biological Process for Deodorization Biotrickling Filters
Dimasa Grupo builds gas treatment facilities for urban sewage and industrial wastewater. The process of removing contaminants by biological deodorizing allows to use smaller devices without necessity to add hazardous chemicals and reagents.
Benefits Stable and effective treatment over 99%. Reactors made of GRP high reliability, durability and achieving the best efficiency quality of emissions. For H2S, mercaptans and NH3 removed biological process. Odorless emissions. Reuse of WWTP effluents as nutrients. Zero consumption of chemical reagents. Maximum savings in operating costs. High adaptability to process changes. Designed and customized facilities to reach customer needs. Highest efficiency of specific bed material.
Activated Carbon for Deodorization Glass Reinforced Polyester Equipment
Dimasa Grupo builds gas treatment facilities for urban sewage and industrial wastewater. Gas treatment by activated carbon are designed according to the contaminants to be removed, ﬂow and type of installation.
Benefits Total removal of all contaminants presents in the air odorless emissions. With every project we deliver the Memory installation design to customer. We remove H2S and Mercaptans. Facilities designed and customizedto customer needs.
In the deodorization process, the pollutants are adsorbed in the active carbon, emitting an odorless efﬂuent.
Single bed activated carbon filter
Double bed activated carbon filter
Corporate Presentation of Dimasa Grupo, specialists in deposits and fiberglass reinforced polyester (PRFV) equipment