Shanghai Tongyang Pipe Fittings Co.,Ltd. is a manufacturer specializing in research, development,production and sales of various pipe fittings, Flanges and insulating Joint. Located in Shanghai which is the biggest port city in China, our company have very convinient access to transportation. Tongyang products are produced in accordance with international quanlity standard and are widely used in Petroleum, natural gas, petrochemical, shipbuilding and Power generation industry ect. Main Products: Forged Socket Fittings; Forged Threaded Fittings; Butt-Welding Pipe Fittings; Hydraulic pipe connector; Flanges; Insulating Joint & Flanges; O-let ect.