Co-working Developing Co., Ltd., located in Tianjin of China is a professional manufacturer of steel pipes and pipe fittings. Our company was established in 1980. We have nearly 20 years' experience in production. We can supply pipe fittings with high quality and competitive price. We have been following the business concept of "Quality First & Reputation Utmost". We have expanded our business rapidly through years' constant developmentOur main products are pipe fittings, pipes, flanges, valves and so on. We can manufacture according to ANSI/ASTM, JIS, DIN, API, GOST and non-standard. The sizes are 1/2" up to 72" for pipe fittings, 1/2" up to 160" for flanges, 1/2" up to 24" for pipes, 1/2"up to 12" for valves.Our products have been widely used in contruction, oil field, water treatment, metallurgy, pipe lines, chemical industry and so on.We always export our products to Europe, Russia, India, Korea, Japan, Spain and so on.website:*****E-mail: *****
