The guide wheel, lifting sprocket, nut, hand pull sprocket, support rod, cover, left and right wall panels and above of the stainless steel electric hoist are all made of 304 stainless steel. It has extremely high corrosion resistance properties, anti-corrosion, anti-magnetic, acid and alkali resistant stainless steel hooks, anti-decoupling stainless steel chains, and fine welding at the opposite ends.