... height from 3m to 18m Electrical motor drive chain hoist, Explosion-proof chain hoist. The capacity are 2t~10t. The lifting height ... from 3m to 18m electrical motor drive chain hoist with Explosion proof function-electric chain block: This type electric chain hoist is ... mine and mine pants, the motors and electrical box have Explosion-proof function. It is suitable to be used in the special ...