Our companies, Qingdao Drentex Auto Parts Co., Ltd., Qingdao JINLIBO Trade Co., Ltd. and Qingdao Ruinuo Vehicle Parts Co.Ltd., are the specialist and manufacturer on semi-trailer axles and related parts, we are certified by ISO9001:2000 management system and will pass TS16949 certification this June. We have sophisticated equipment from overseas markets, strong technical force and over 10 automatic production lines for developing and manufacturing. As one of the largest manufacturers in domestic market, we also export our series of products throughout the international marketplace. Our products are mainly exported to Southeast Asia, Europe, North America and the Middle East. Following the principle of "Customers first", we guarantee our products have dependable quality and full after-sales service. Located in Qingdao City, close to one of China's main deepwater ports, we can thereby expedite the delivery of all orders according to your demand.