Zhengzhou shante ups power supply maintenance, personally feel that Zhengzhou Zhongying (tianfeng) electronics co., ltd. has a particularly good service. Their company's headquarters is on the 3rd floor of Zheng Hong Digital Apartment, Dongfeng Road, Zhengzhou City. At present, the company has set up UPS power supply exhibition halls in Zhengzhou, Luoyang, Beijing, Hangzhou, Kunming, Wuhan and Jinan, and set up special maintenance stations in Beijing, Luoyang, Nanyang and Anyang at the request of customers. Each maintenance station is composed of professional and excellent first-line engineers.