We have over 10 years' experience in producing and developing controllers, DC contactors, throttles and foot throttles. We have got CE approval and over 10 patents for our products. WENZHOU CNSAYO electrical CO.,LTD. to be located in the warm continent China low-voltage electrical apparatus nearby name Liu Shi. here scenery beauty. good communications. The enterprise was founded in 1998. Is take the electric car fitting research and development. the production. the sale and the service as a ...