As leader of cable strut support sysytems exporter and manufacturer, Shanghai HDMann Metal Industry Co.ltd focus on cable tray support systems, strut channel support systems.such as perforated cable tray , wire mesh cable tray , cable ladder, cable trunking, wire way,FRP cable tray , strut channel,spring nuts and so on, our products are exported all over the world, More over , as the reliable supplier of world famous company such as fluor , BHP billiton , HDMANN is with great ability to provide sucessful solution for cable and strut support systems,we have great world-grade project experience over the world, and expect all the cooperation in the industry . welcome forever!!!!