This standard specifies the shape, size, position, viewing range, strength, and installation hole requirements of the number plate (frame) of three-wheeled vehicles and low-speed trucks. This standard applies to three-wheeled vehicles and low-speed trucks (collectively referred to as low-speed vehicles).
GB/T 19131-2015 Referenced Document
GA 36 People's Republic of China motor vehicle license plate*, 2018-04-20 Update
GB/T 19131-2015 history
2015GB/T 19131-2015 Tri-wheel vehicles and low-speed goods vehicles.License plates (crackets) and it's position
2003GB/T 19131-2003 Agricultural vehicles--License plates(crackets) and it's position