There are many Chinese central switchgear wholesalers in China’s substation industry. They will achieve roughly the same product quality through some established conditions. Because after all, if not unified, their sales will receive more or less problems, so China’s central switchgear wholesalers or more harmonious unity， In fact, the demand for switchgear in China is very large, so most of the switchgear wholesalers will try to lower their prices, improve their product quality, in order to small profits but quick turnover