Dear friend, We thank you very much for your opportunity to introduce ourselves . We China Zhong hai Steel Pipe Manufacture Co., Ltd. is one of the big professional manufacturers Specialized in Carbon Steel Seamless Pipes, Spiral Steel Pipes and ERW pipes Fittings established in 1997. We have also a facility that can produce Seamless and Welded Pipe Fittings. We cater to almost all industries including Oil & Gas, Power generation and Ship Building. Having a strength of over 500 employees with extensive and in depth experience added with ISO 9001-2000 and API 5L Certification, we are confident, ambitious and dedicated to provide quality products and value added services to worldwide customers abides by high level of business ethics. We are manufacturing pipes to various domestic and international standards like API.ASTM, BS,DIN etc. We are capable of manufacturing seamless pipes from Grade B to X60 both PSL 1 and PSL2 with a very competitive prices with fastest deliver