ZGL Metal Manufacturing Co.,ltd

ZGL Metal Manufacturing CO.,Ltd, which is one of the largest  steel manufacturers in shandong liaocheng.We maily specialized in seamlee steel pipes,our  annual  output  can  450000tons. We have got carbon steel pipe for liquid use (ASTM A106/A53GR.B), steel pipe for casing (P-110, K55, N80 and so), steel pipe for pipeline (API5L GR.B, X42, X52, X60, X70), steel pipe for construction (high thickness of St44, St52)steel pipe for mechanical process( C45 SAE 1045 5140). [Details]