nan,chang,dao, Tianjin, Tianjin, China,
Our company is a professional commitment to seamless steel tubes, stainless steel, plate and ASTM production sales as one of R & D units large enterprises, mainly produces sells ASTM, DIN, JIS series 301, 304, 310 S tube, the product far sold in different ...
seamless steel pipe, stainless steel pipe, stainless steel, american standard steel