Founded in 2001,YANTAI KUNZHENG SEALS TECHNOLOGY CO., LTD. mainly produces framework oil seals for automobile & motorcycle shock absorbers, engine crankshaft oil seals, gate valve rod oil seals and axle & gearbox oil seals, and can design and produce corresponding rubber seals according to the sealing requirements of various engineering machinery and oil pressure equipment.

KUNZHENG has successively passed ISO9001 & ISO/TS16949 Quality System certifications, and keeps scientific research cooperation with many domestic chemical colleges and universities in terms of material synthesis and properties of special rubber. It has internationally advanced production equipment and detection instruments, keeps improving, sincerely cooperates with partners, and leads the industry standards in terms of quality, service and customer satisfaction, becoming a front base for scientific research and production of rubber seals in China.