Founded in 1996, Yanshan Zhihai Tube Manufacture Co., Ltd. is located in Yanshan, Hebei, being one of the best pipe equipment manufacturers in China. Our equipment can be used to produce and process all kinds of seamless steel pipe,spiral welded pipe,galvanized steel pipe,erw pipe, and carbon steel products in different types such as elbow reducers, tees, crosses, flanges, bends, socket units, and expansion joints. Meeting the needs of pipe-connection, our products can be used to such industries as oil, chemical, metallurgy, shipping, paper marking, electricity, spaceflight, medicine making, water treatment, chemical fibre, city construction, and mechanical equipment. Our company has well-developed management and quality to attained ISO9001 quality system attestation. We are the appointed company to produce pressure pipe elements and an international supplier for oil-chemistry and power