Shanghai Ali-Mama Steel Trading Co. Ltd is established in 2020 and the company is in Shanghai Baoshan district, we own unique geographical advantage. We As an local stocker dealer and international distributor to provide mainly various steel tubes and metal product (fitting and fasten), and used in building material, infrastructure construction material (Traffic safety barrier, large steel structures) including the designed, manufacturing, sales, transportation, meanwhile, we supply the metal pipe are widely used in fields of petroleum, water pipeline production lines and etc.