DBL focuses on using heavy-duty wheels and tires for truck modification in the mid size series of trucks, and its modified vehicles are suitable for industries such as military and construction.

Ford F150 has always been Ford's classic pickup truck, is the F-Series series, the highest-selling models, and high in the United States of America's top ten best-selling car list, for many years in a row to win the title of America's best car, it sells more than any other kind of large truck brand. A full set of announcement procedures to support the conversion of the license plate, can be converted into communication command vehicles, police vehicles, station wagons, fire trucks and so on.

Ford F350, a full set of bulletin procedures to support the conversion of licensing, can be converted into a station wagon and so on.

The F550 is a heavy-duty chassis produced by Ford, with high horsepower, off-road performance, ride comfort, space passability, and high load-bearing capacity.

Ford 350 SRW, a full set of bulletin procedures to support the conversion of the license plate, can be converted into a riot control vehicle, ambulance, equipment vehicles and so on.