Xinxiang Huihuang Spring Co., LTD. (Huixian Spring Factory, Henan Province) was established in 1987 and is a member unit of the Spring Manufacturers of the Motor and Electrical Appliance Branch of the China Internal Combustion Engine Industry Association. The company develops, produces and operates automotive motor and electrical appliance springs, and is a domestic production base of motor and electrical appliance springs. The varieties of springs produced by our company include automotive and motorcycle motor and electrical appliances, flat springs, flat coiled springs, cylindrical springs, retaining springs and special-shaped springs. Among them, the annual output of planar coiled springs exceeded 50 million. They were produced and manufactured through digital flexible process control and the application of fuzzy reasoning error compensation technology. They were appraised as being at the domestic level by the Science and Technology Department of Henan Province. The annual output of flat springs exceeded 150 million. The company provides supporting services for motor and electrical appliance manufacturing enterprises such as Bosch of Germany, Hitachi, Beijing Petelai, Shanghai Dix, Dongfeng Electric Company, Shendian Company, Shenzhen Taixiang (Taiwan), Hangyu Life Saving, Wuxi Shenli, Yuhuan Putian, and AVIC Optoelectronics Aerospace Research Institute.