High Quality Low Cost Easy Assemble Steel Structure Frame Workshop on China WDMA Dimensions:Q234&Q235&Q345 (2)Special design suit for inside

(2)Special design suit for inside window and outside window

or Hangzhou airport

The popularity is due to the fact that they are smooth

40ft 420pcs for window with normal size(1

High Quality Low Cost Easy Assemble Steel Structure Frame Workshop on China WDMA Dimensions:Q234&Q235&Q345 (2)Special design suit for insideProduct Description High Quality Low Cost Easy Assemble Steel Structure Frame Workshop Steel structure engineering is a steel based structure. The structure is mainly composed of steel beams and steel columns made of steel and steel plates. The joints, bolts or rivets are usually used to connect the components and components. Because of its light weight and simple construction, it is widely used in industrial plants, warehouses, multi storey