... Product Information :Hot Dipped Galvanized Steel Pipe1.Standard: GB,, ASTM, BS, JIS, 2.Material: Q195, Q215, Q235, Q345B, X42, Gr. B3. ... 219.13.0--8.0 Company Introduction Tianjin HENGJI Steel Co., Ltd is a group company , affiliate ... Steel pipe , Pre-galvanized Steel Pipe, Galvanized steel Coil , Alu-zinc Steel Coil , Pre-painted Steel Coil , Prime Painted Galvanized Steel Coil , , Cold Rolled Steel ...