Reliance Metal Resource Co., is a manufacturer of all kinds of steel pipes, such like black steel pipes, square and rectangular steel tubes, galvanized steel pipes, pre-galvanized steel tubes and spiral steel pipes etc. All these pipes are widely used in industrial and urban buildings, big projects, liquid delivery piping, scaffolding frame, greenhouse structure, machinery, furniture etc. As a manufacturer of steel pipes in China, we have the following advantages. --Good material of high grade mild carbon steel; --High quality with strict tolerance requirements; --ISO9001-2008 and BVcertification; --Some special specifications could also be produced; --Reasonable price; --Fast delivery time; --Available of inspection and certify; --Available of samples after negotiation; If you have the demand of steel pipes, you may consider importing them from China our company. I would like to provide the steel pipes for you with warranty quality and best price.