Changsheng Instrument Co. Ltd. - Nanjing, China

Is a collection of scientific research, production and sales of high-tech enterprises. The company's products cover the areas of electrical safety testing and applying it to the national defense, military, scientific research, production and other departments.: Huawei, Hisense, Chunlan, the United States, and Gree, Galanz and a number of other well-known enterprises at home and abroad are using my company's products in the domestic share