Yongkang chenma industry & trading CO., Ltd is an professional and experienced manufacturer of electric bikes and scooters, it is located in Yongkang city of zhejiang province, which is known as the hardware base of china.Yongkang chenma industry & trading CO., Ltd is highly praised for its advanced equipments, modern management system and good cooperation relationship with our clients and ***** industry & trading CO., Ltd is established in 2006, and now our brand has become an esteemed brand in china.