Chongqing Wanhu Mechanical & Electrical Products Co.,Ltd always adhere to the rules of ordinal R&D, independent production, self-control quality management in last thirty years. The key parts should be made independently. WanHu has developed successfully a lot of innovation benchmarking products such as WH175ZK series, HANHOO and JINHOO series. The WH175ZK tuk ranks first in China passenger tricycle export sales for four consecutive years. HANHOO series become the best representative of heavy duty cargo tricycle in China and get large market share in its class. JINHOO series is the first cross-border model in China tricycle industry and achieve appearance design and functional cross-border.it could be transformed basis of different working conditions.it has been patented. Wanhu own completed and advanced manufacture equipment’s,that’s. include 1 raw material processing workshop, 2 engine workshop , 2 chassis pressing line, 2 welding line, 1 painting line, 3 assembly line. There are about 300 sets the productions and test equipment. Wanhu has established the completed production units of machining, stamping, welding, painting and assemble, that are suitable for the production and development. Moreover, the related quality testing and inspection facilities have been improved and perfected.