Changzhou Yunjie Electric Co., Ltd., formerly known as Changzhou Tian Ning electric tool switch factory, established in 1996 and currently employees more than 400. Main types of AC and DC electronic speed control, single-speed switch and electronic controller. Company covers an area of ??????about 15,000 square meters, construction area of ??????about 13,000 square meters.Changzhou Yunjie Electric Co., Ltd is located in convenient transportation of Changzhou City, located in the middle of Shanghai and Nanjing. The company's straight-line distance from Dewalt is only 100 km, about one hour car drive.Products are mainly supported to Makita, Black&Decker BOSCH/SKIL, KEN, Dongcheng, CROWN, Positec(WORX), etc.