1.ISO/TS16949,ISO9001,ISO14001 ... stronger corrosion resistance5Firm BindingSelect high-quality binding materials for firm binding6Sealing RingSelect high-quality sealing ring for better ... and development, PINGYUAN has already OE supplied with about 90 famous motor, finished vehicle, and ... sets, ships and etc. Quality Control and Honors:In 1998, we passed ISO9001 Quality Management System.In 2003, we ...