The predecessor of Qingzhou Hongrun Electric Appliance Technology Co., Ltd. was established in 1999, which is a company integrating domestic and foreign technologies, engaging in R & D, production and sales of electronic components. The company has rich experience in producing electronic components such as power transformers, reactors and inductors, and its products are sold to many provinces and cities, mainly covering the following fields: Smart electricity meter category (Jiangsu Linyang, Guodian NARI, Zhejiang Holley, etc.), smart home appliance category (Haier Europe), electric machinery category, smart home category, new energy vehicle charging piles, inverter category. The products have won customers' recognition with standard quality.