Shijiazhuang Antaida Auto Parts Co.,Ltd. is located in Wuji County,Shijiazhuang City.The company was founded in 1990.It specializes in producing heavy trucks and marine engine valves.The company has passed IATF16949:2016 and China Classification Society ISO 9001:2015 quality system certification . The company covers an area of more than 25,000 square meters and has fixed assets of more than 30 million yuan.Now it can produce 4 million pieces of engine valves per year.The company has advanced equipments, with austenite solution treatment, P.T.A,tip face PTA,friction welding,nitriding and chromed on stem surface,stem-end "U" hardening, valve seat rolling harden, etc. The company has a testing center, with cylindricity measuring instrument, direct reading spectrometer, metallographic microscope,universal tool microscope,Vickers hardness tester,Rockwell hardness tester,tension tester,ultrasonic tester,roughness tester and so on.Can independently complete all valve testing from raw materials to finished products. The company's products cover marine engine,train,gas engines, diesel generating units, heavy trucks and construction machinery,etc. It also supplys to Zichai New Energy Company,Remanufacturing Branch of CNPC Jichai power Co.,Ltd,Shengli Engine, and participates in the development of Dachai and Xichai products. With the enterprise concept of "quality first,customer first",our company is willing to cooperate with international or national customers sincerely for providing top products and best service.