H-beam is a kind of steel, because its surface looks more like H, so it is called H-beam. The following is a small braid of the H-beam manufacturer from Yanxin Senyu. Let us know that there are three ...
Disc and Round Buckle scaffolding scaffolding looks very similar, using methods are similar.Scaffolding product replacement speed is not too fast, but for those who do not know the scaffolding industr...