Shandong ZW Trailer International Trading Co.,ltd & Shandong ZF Truck Trailer Manufacture Co., Ltd is appointed Special Vehicle Manufacturer approved by NDRC (National Development and Reform Commission) whose products are into 'Announcement' management of national vehicles.The company is science, industry, and commerce integrated enterprise which combines products design, research development, production and marketing, owning Low bed semi trailer,Container semi trailer, Oil/fuel tank trailer,Side wall semi trailer, Cargo semi trailer, Box semi trailer,Dump truck trailer,Module trailer,LPG trailer and so on,more than 100 variety products,welcome to contact us.