Why did Zhuzhou Welding Electrode General Factory change its system?

It's hard to run. According to the relevant data of Zhuzhou Welding Electrode Company, Zhuzhou Welding Electrode General Factory was restructured due to operational difficulties, and the company encountered operational difficulties in 1999, so it was reorganized and restructured again. In 2007, it declared bankruptcy and restructuring, and became a private enterprise overpass crane. 20 10, 10 went on the market in February. Enterprises engaged in special material handling and lifting equipment such as bridge cranes, boom cranes, electrolytic aluminum and carbon multi-functional units.