Henan changge Longang construction machinery factory is specialized in producing,developing,marketing steel bar machine, concrete processing machine. our products include steel bar cutting machine,steel bar bending machine,straightening cutting machine, stirrup bending machine,plate compactor,tamping rammer ,trowel machine and so on,all of them are produced on basis of EC and UL standards. products are best sold in domestic market and very popular in Mid-east,Africa, European ,American .ect, they are widely used in building ,road,railway and other area.our superior quality and perfect after-sale service have already gotten customers highly praise .Longang warmly welcome domestic and foreign clients from all walks of life to visit for cooperation and common development.