Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Steel bar grating is made up of bearing bar and cross bar as certain distance by welding or pressure locked. The combination of heavy-weight bearing bars and twisted steel cross bars provide excellent grating stability and loading capabilities. The cross bars are welded or electro-forged to the rectangular shaped bearing bars by a process that combines intense hydraulic pressure with a powerful electric current.
Bearing bar types
Flat type (also called plain type), serrated type, I bar type (I plain type and I serrated type).