Specializing in production of engine parts such as piston, cylinder liner, piston ring, cylinder head, bearing, generaor, etc.for various brand car like ISUZU, JMC,CUMMINS, TOYOTA, ects, Ruilida Group (HK) Stock, Ltd has ten year experiences which cultivated an tacit understanding among employees and grown into a large enterprise including eight departments (including developing dept. manufacturing dept. human resources dept. planning dept. financial dept. marketing dept and after-sales dept.) and high-productivity factory. All of our products passed certificates of ISO9000 or ISO/TS16949