When lifting chain heavy

Lifting chain weight, ye begin moving chain, hand wheel hoist equipment rotation, the friction slice ratchet wheel, brake pressure into one common rotation, short and long axis rotation piece of gear, the tooth axis and the spline gear.Circular chain, triangle type chain blocks, K type chain blocks, the hoist equipmentchain,

V chain blocks, T chain blocks, miniature hand hand chain hoist, explosion-proof hoist, 360 degrees of chain blocks, etc.