Process: ERW (Electric Resistance Welded) HFI (High Frequency Induction) EFW(ELECTRIC FUSION WELDED TUBE) LSAW (Longitudinal Submerge-arc Welded) UO(UOE)、RB(RBE)、JCO(JCOE) DSAW (Double Submerged arc welded) SAW (Spiral Welded) SSAW (Spiral Submerged-arc Welded) Quality Standard: ERW HFI , EFW, LSAW, DSAW: GB/T3091 Welded steel pipe for low pressure liquid delivery GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines IS: 3589 Steel tubes for water and sewage
Topsan Faucet Company was established in 1979 in Istanbul. Topsan is one of the leading faucets and valves producers in Turkey. Our production comprises of sanitary faucets, faucet valves, ball valves and accessories, also, we can produce private products. Topsan has sufficient experience and know-how in building industry. We care to provide the best service to our customers in accordance with their needs and expectations. This way, we achieve our highest aspiration which is to earn the sat
