A Multifunctional Blood Collection Vehicle

A Sliding Door Mechanism for Cab of Construction Machinery

A Vehicle Speed Limiting Device

A Rear Space Expansion RV with Retractable Carriage

A Long Glass Fiber Increase for Grade A Surface Products

A New Multifunctional Vehicle Seat

A Water Filtration Structure for Intake Pipe of Heavy Truck

Mobile catering car

Mobile blood donation house

Patent of Blood Collection Vehicle

Induction Hardening Machine Tool for Die Surface

Flat-headed light truck cab