scaffolding plank: 1,easy to assemble 2,advanced structure design 3,heavy bearing capacity 4,high stiffness metal scaffolding plank: Scaffold consists of two halves coupler, jack base, base socket, vertical, horizontal, diagonal and etc.1, Fewer components, easy to assemble2, High stiffness, advanced structure design, heavy bearing capacity3, Overcome the problems of non-standard construction, ...