osam atuo parts co., ltd. was founded in 2000 which is specialized in supplying semi-trailer parts such as bogie suspension, Mechanical suspension, axle, landing gear , fifth wheel , king pin , brake drum , wheel rim and hub . We always offer high quality and competitive price products with a best service by www osam-cn com & info@osam-cn com. we have been in this area for more then 10years. we are real manufacturer, our clients always spoke highly of our good quality and services. we want to establish long business relations with our customers not just do once-time business. your Interesting and Inquiry will be our pleasure.