1. Capacity from 0.5t to 20t.
2. Automatic double pawl braking system.
3. Gear: by adopting Japanese technology, they are innovated symmetrical arrayed high-speed synchronous gears, and are made from international standard gear steel. Compared with common gears, they are more wearable and steadier, and more laborsaving.
4. Chain: adopts high strength chain and hgh precisiton welding technology, meet ISO3077-1984 international standard;fits for gusty overload work coditions;takes your hands a better feeling multi-angle operation.
5. Hook:made of high-class alloy steel, it has high strength and high security; by using new design, weight will never escape.
6. Components: main components are all made of high-class alloy steel, with high precision and security.
7. Framework: slight design and more beautiful; with less weight and smaller work area.
8. Encloser: made of high-classed steel, more firmly and dexterous.