HENAN NORTHERN YONGSHENG MOTORCYCLE CO.,LTD Established in 1995, Henan Northern Yongsheng Motorcycle Co., Ltd is a national designated motor tricycle manufacturer. Over 17 years'development,our company has developed into a large enterprise specializing in development and research, design, sales,service, import & export of motor and electric tricycle . - our company has invested USD 15,000,000 in stage II and III of modern plant and R&D building with the cover of 110,000 square meters and ...