We KDH semi-trailer parts Co., Ltd Established in 1998, is one of the biggest domestic Semi-trailer Axle and Suspension manufacturer, specializing in designing, manufacturing and selling Semi-trailer Axle, Special Vehicle Axle and Semi-trailer Suspension system and Landing gear. At present, our annual production capacity reaches 160,000 pieces Axle and 18,000 sets all types of Suspension.We have set up our own technology center, and owns a professional team in technology development, quality control, physical and chemical test, and new products trial. ?Best quality, best prices & best service? is our principle, Customers? Satisfaction is our eternal goal; our products have been well accepted not only in domestic market but also in many oversea markets around the world.