ZHEJIANG ZHONGTIE AUTO PARTS CO,LTD is established in 1978 The company is one of the biggest auto parts manufacturers in china.and we have a staff of over 200 employees with 8 technicians and over 10 quality,checkers. Our company integrates product development,Design and sales,which is one of large privately-owned businesses dealing in Manufacturing brake system of full specifications In southern Zhejiang area. The company Has passed TUV TS16949 and SGS international quality system. The enterprises professionally manufactures Brake valve,relay valve, trailer brake valve, Hand brake valve,four-circuit protection valve,air dryer, Pressure regulator,unloader valve,brake chamber, Clutch booster and so on. Since the company founded,our products are supplied to more Than 40 OEMs,such as VOLVO,DAF,IVECO,RVI,DAIMLER,RVI,SCANIA, TOYOTA,NISSAN,GMWULING,FAW,ISUZU,FOTON,DONGFENG,JAC,CHUNLAN ETC.We has been named as Excellent Supplier For many times by those largest OEM customers. And we successfully penetrated the international market, Exorting to more than 80 foreign countries and regions in Asia, Europe,America, middle East etc. With our best service,good quality,and exact delivery,we Have got very good credit in the heart of many clients.