Patent Certificate

A longitudinal beam welding assembly

A rear underrun protection device for a dump semi-trailer

A self-cleaning, compacting refuse truck

A highly efficient dust suppression water truck

A compression garbage truck

A motorhome subframe structure

A monitored ambulance

A washing device for a sanitation cleaning vehicle

A subframe production fixture clamping mechanism

A two-way beverage vehicle for roads

A type of garbage truck with a detachable hopper

A chassis longitudinal beam correction device