Low noise environmental protection Comfortable manipulation, safe and reliable Regenerative braking, to save energy The machine explosive-proof performance is reliable, explosive-proof grade Exsd IIBT4 Free maintenance for motor, low cost for operation and maintenance, and efficiency work Apply to loading and handing in petroleum, military, textile, the paint, pharmaceutical and other industries with contain flammable gas, liquid in and other explosive environment of 1 division, 2 division.