We are a big manufacturer of all kinds of carbon/ alloy seamless steel pipe and trader of other steel pipes in China And especially specialized in processing big OD pipe with a diameter of above 406mm used for fluid transmission, boiler and Oil&Chemical industry. Meanwhile we keep a quantity of about 20000tons inventory per month in our own warehouse. Besides, we are also a biggest agent of all kinds of steel pipes such as LSAW, SSAW and ERW steel pipes with big outer diameter. So If you have an interest in our goods, please don't hesitate to contact us. Your support and cooperation is what we pursue. We can guarantee to supply you quality goods with competitive price.