Shanghai Tongyang Pipe Fittings Co., Ltd. one of the largest manufacturers in China, is specializing in producing Monolithic Insulating Joint, steel pipe fittings, Flanges, Hydraulic fittings, ect. Located in Shanghai which is the biggest port city in China, Tongyang has very convinient access to transportation.As one of the most professional manufacturer in China, Tongyang products are strictly produced in accordance with international quanlity standard such as ANSI, JIS, DIN, BS, En, ect, and are widely used in Petroleum, natural gas, petrochemical, shipbuilding and Power generation industry ect. Besides, non-standard items are also Tongyang' business scope. As long as customer provide the technical drawings. Tongyang will make the exact items according to provided drawing.To supply high quality product, reasonable price and professional service for oil and gas industry.is Tongyang all people's Mission. Welcome customers from all over the world. If any of our items interest you, please send us your detailed requirement, we will reply promptly.