Yongkang Hefa Tools co., ***** a manufacturer specializing in producing Auxiliary Air Valves and carbon canisters of motorcycle, leisure vehicle, universal gasoline engine and car .It has obtained ISO9001:2000 certification and has several patents such as unspillable reed valve, combined gulp cylinder head , double reed second valve�¯�¼ï¿½double reed second valve cover, evaporative emission control system, etc. The second valve can produce 3000, 000 sets one year and The Activated carbon tank can produce 5000, 000 sets one year .Our company is located in Baiyun Industry Area, Yongkang, a city of hardware in china with comfortable environment and convenient transportation with the firs �¯�¼ï¿½class production �¯�¹�  test equipment and abundant test methods , we have already gained the ability to establish a complete process line from rough machining to entire assembly.And the quality of our products takes the lead in the industry. They enable manufacturers to produce ATV, Motorcycle, Dirt bike, Go-kart to pass EPA certification, E-mark certification, Euro �¢ï¿½�¢ certification and CARB , so it is quite popular with our clients .At present , our clients are all over china, including Longxin , Zhongshen, Lifan , Jialing, Dayang, Daye, Qingqi, Haojin, Tianma, Qianjiang , Baotian, Xinyuan, Zhongxing, Kangchao, etc�¢ï¿½�¦ With concept of strving for the top and the pragmatic spirit , we establish a quality of �¢ï¿½ï¿½quality wins the credit , excellence wins the success, cooperation wins the refulgence�¢ï¿½ï¿½.Now we are actively carrying out a modern enterprise managemeng that regards quality control as the central ***** order to found our own corporate culture and spirit , our commitment is :Customer�¢ï¿½ï¿½s demand is our the biggest concern;Continuous improvement is our eternal task;Creating a win-win situation is our pursuit .