The quality has been strongly guaranteed with strengthening of supervision. We have a good relationships with super company in the industries, such as Wuxi power, Yuchai machinery, Dongfeng Cummins, Xi’an Cummins, Chongqing Cummins, German Benz(MTU), British Perkins, Sweden VOLVO, Swedish Scania, Shangchai, Tellhow Technology, Jiangsu Hengtong, Shanghai Qianneng, Shanghai Kaixun, Shanghai Marathon, Kangfu Science and Technology(the original three wave motor), China Sinotruk, Shanghai Fu Chuang and so on. In order to ensure timely supply and demand of products, abide by credit, both parties can fulfill their respective rights and obligations according to the contract, share benefits and risks, not only maintain the price advantage of products, but also ensure product quality, and provide individual customer services, accessories services, rental services, so as to achieve a win-win goal.