ShangHai Yo-Pi Port Machinery Co., Ltd (Truck Vehicels Department ) is an industrial and trade company specialized in semi trailer sales, semi trailer part manufacture and semi trailer part sales.. We also establish long term export angency of CIMIC Vehicels Group Co., ltd. our engineer can according your demand design the special vechicles for your customer, We also provide spare part for our customr like semi-trailer spare parts, such as fifth wheel series, boogie suspension series, axle series, landing gear series, and suspension series etc. Hope we can bring a bright furture for you.