Founded in 2001, Once Top Motor Manufacture Co., Ltd. (hereinafter referred to as Once Top) is specialized in DC micro-motor development, production and sales. The headquarters is located in China science and technology innovation city - Shenzhen. We have our subsidiaries in Shanghai, Anhui, and offices in Hong Kong. Once Top has more than 1800 employees, annual output of various types of micro-motor and aperture module more than 80 million. After more than ten years' development, Once Top has became a leading domestic micro motor industry.