Advantage: 1. beams and motor carriages is used by enhance high-quality castings, strong and stable body. 2. Base, uprights used by welding parts with tempering treatment , strong and stable body. 3. Senior special energy-saving motors Canoon brand, advanced turbine gearbox; 4. Schneider brand electric appliance. 5. 2.2KW big range speed governor, JIALI worm gear box, transmission more durable.