... .Thickness:0.3m-6mm 2.Competitive price 3.Surface: be punched,be sprayed ... ,install and related tecnology guide.Our competitive price and high quality have got customers from all ... 6m~12mSize: see as belowStandard: GB etcDetailed introduction to I-beamI beam,also called girder,is one kind ... municipalities and autonomous regions, and have been exported to Europe, North America, the Middle East, Africa, ...