Chongqing ShuangShi Motorcycle Manufacturing Co.,Ltd which is located in Chongqing China is one of the most important manufacturers in China .Its products include motorcycle,scooter,generator,water pump,gasoline engine,tillage machine and some other materials . Our company has got the certificates of ISO9001:2000 and enjoy good market both home and abroad . We are always tring our best to offer customer qualified products with reasonable price .