Brief company Introduction: Shandong Chengda Trailer Manufacturing Co., Ltd. Established in 2005 is one of the qualified manufacturers of various trailers. Integrated production, scientific research & development and professional sales teams, all those advantages can provide the full service of trailers, semi-trailers, tractor head, dump truck, engineering machinery and trailer parts, our company is a leading provider in this industry, with annual export value reaching above 50million dollars an