Owin Vehicles CO.,LTD. Located in Yuncheng County, Shandong Province, our factory covers more than 300 mu, with approximately 30,000 m² of production workshops and over 300 employees, including 18 senior engineers and 116 professional technical personnel. We specialize in the manufacturing and technical development of semi-trailers, dump trailers, tank trailers, special-purpose vehicles, full trailers, and customized transportation vehicles. Supported by an experienced engineering team and professional production facilities, we provide flexible solutions based on different cargo types, load requirements, and operating conditions. Learn More→