... Bunker (Single,Double,Trio) For Accommodation(Coal,Concrete) Hangzhou Zhongxin Steel Structure Make Co., Ltd( hereinafter refer to ... welded H-section , hot-rolled H-section, channel, steel column, steel beam),standard frames, secondary framing, roof & wall materials ... textile, logistics, food, construction material, electronic appliance, steel and other industries. ZXSS also has actively engaged in ...