The guide wheel, lifting sprocket, nut, hand pull sprocket, support rod, cover, left and right wall panels and above of the explosion-proof electric chain hoist are all made of aluminum bronze.The explosion-proof electric chain hoist has high strength and wear resistance, as well as good high temperature corrosion resistance and oxidation resistance.The lifting chain is made of manganese steel, nickel-plated copper alloy, and the hand chain is made of H62 brass. Chain friction will not cause adverse reactions such as sparks, explosions, etc.The hook beam plywood and hook are all made of aluminum bronze.The long lock plate is made of H62 brass.The upper and lower hooks are forged and equipped with safety clips to prevent the cargo from falling off easily.The hook of the explosion-proof electric hoist has strong extrusion resistance and is not easy to deform or break.