Annular Cross Section | Merlinerd.com Merlinerd.com is a supplier of annular cross-section products. Our products are made from the highest quality materials and are designed for durability and performance. Investigate our site for more information. Website: - Annular Cross Section Contact us:Merlin ERD limited paul.cooper@merlinerd.com Merlin House, Necessity Brae, Perth Scotland PH20PF United Kingdom 07742420267