... Thickness:2mm-80mm FACTORY Productseamless steel pipe, ERW/Spiral carbon steel pipe;elbow,reducer,cap,tee,flange ... East, America, EuropeApplicationsPetroleum, chemical, power; (oil,gas,water) liquid transport; shipbuilding, construction, steel structure; city piping system etc ... steel strips and waterproof clothOffice BuilingCANGZHOU RIZE STEEL PIPE CO.,LTD1.Surface Treatment: ransparent oil or black ...