Gas holder is thin weak roof structure, shape structure is large, the geometry size difficult to control, and has a lot of high-altitude operations, construction and welding is difficult, short construction period. Shandong Chemical Design Institute 10000 cubic metres of gas holder after my company to formulate reasonable installation and welding process in the specified time limit, quality and quantity to complete 2 sets, was highly praised by the design and use.

In a sand, anticorrosion

Bell production site