Our factory located in Shandong Province, which is Chinese trailer production base. we are profesional manufacturing semi trailer parts include axle series, suspension system, leaf spring, landing gear, twist lock, king pin, fifth wheel, brake chamber and other brake parts. The products have been exported to USA, Canada, South American, Asia, Afria, Middle East countries. Sincerely welcome customers’visit and enquiry. “Customer needs is our enternal goal”