... to 18m electrical motor drive chain hoist with Explosion proof function-electric chain block: This type electric chain hoist is a ... mine pants, the motors and electrical box have Explosion-proof function. It is suitable to be used in the special environment ... .. 2t, 3t, 5t,10t electric chain hoist with Explosion-proof function 2t, 3t, 5t,10t electric chain hoist with Explosion-proof ...