ROYAL SERVICE AIR-CONDITIONING CORP. (U.S.A/CHINA)
Royal Service Air-Conditioning Corporation (USA) was founded in 1975 as a division of Royal Service Group. We take great pride in our quality, workmanship and service. Nowadays, our business has been extended over the world, obtaining dealership of some of the most well-known manufacturers in the Heating Ventilation AirConditioning & Refrigeration (HVAC & R) and Building Automation System (BAS) control industry. In 1995, our wholly owned Royal Service Air-Conditioning (Guangdong) Corporation in China was founded. Guangzhou, Beijing, Shanghai and Xiamen offices were established throughout China. In 1999, the VAV terminal manufacturer was established in Guangzhou. With the rapid growth and demand, in 2004 Royal construct an Asia Pacific headquarter with manufacture facilities in Guangzhou Civilian Scien-Tech Park near the New Baiyun Airport that house our research development and testing center. Today, all our air side products are manufactured according to ASHRAE standard and AHRI (Air-conditioning, Heating & Refrigeration Institute) U.S.A. and or under the guideline of ISO9000 format. During the years Royal has awarded many contracts in large scale engineering projects. We provide technical training, maintenance and after sales service. Our professional team is specialized in industrial application for electronic processing, clean rooms, computer rooms, food processing areas, high precision dehumidification processing, chemical manufacture facility, offices, commercial and high rise buildings with Variable Air Volume (VAV) systems, all utilizing central HVAC and BAS networking systems. We persist to improve ourselves to provide the modernization of design and engineering, develop and manufacturing first grade equipment, reliable construction and the satisfaction after sales service.
ยกร
125
Sound Power dB
Sound Power dB
Sound Power dB
Sound Power dB
By Octave Band Hz
By Octave Band Hz
By Octave Band Hz
By Octave Band Hz
250
500 1000 2000 4000
125 250
500 1000 2000 4000
125 250
500 1000 2000 4000
125 250
500 1000 2000 4000
(900
“ ”
ยกรท
11
10