... ~1800020g,16MngGB713—19978Steel plates for pressure vessels20R,16MnR,15MnNbR,16MnDRGB6654—1996GB3531—19969Steel plates for building structuralH 6~120W 1500 ... tube, rectangular tube, L section steel to customers for use in construction, petrochemical refining, oil platforms, marine ... British.Supported by our holding company: Xinhui Yili Ship building Co.,Ltd. And Foshan TONI Steel Structure Engineering ...