Zhonghai Steel Pipe Manufacturing Corporation is one of the biggest steel pipe mill in China, has a wealth of experience in the steel pipe area. We have 1000 employees, it covers an area of 135000square meters. Yearly capacity is 200000T, and the export quantity is 90000T per year. Products as follow:1. Seamless steel pipe (Hot-expanded and hot-rolled steel pipe), 2. SSAW steel pipe(Spiral-seam steel pipe), 3. LSAW steel pipe(Straight-seam steel pipe), 4. ERW steel pipe(Electric Resistance Weld).Our products not only base on ISO9001-2000 series, but also passed the certification of API, CE, and have been exported to tens of countries all over the world, including Europe, North America, South America, Asia etc. Our company is the appointed company for large project from all over the world and famous wholesalers. All the products are widely used for transportation of petroleum, natural gas, water and coal gas, provision of heat power, petrochemical industry, steel structure work and so on. The products have gained excellent trust and evaluation from the customers for the accurate dimension, good pressure-resistance and timely delivery.