DY-500 Series made by devoted TechnologyJust feel what's difference with 4 Wheels Steering & 4 Wheel Ground-Base - Powerful Steering Wheel - 4 Wheel Steering System Chosen - 4 Wheel Gear-Reduction
Drive - 4 Wheel Ground-Base - Straight Engine with transmission Easy to Repair - Elimination of Belt & Chain Structure, Minimizing Breakdown by developing Straight Engine with transmission,
Designed with Perfect Open Structure, Easy to use for everybody