From:serena shang (bdqzcn@hotmail.com)

HS-VT series chain blocks 8 characteristics make them have high ability and security, high agility, and this greatly reduced word intension.
1. Gear: They are innovated symmetrical arrayed high speed synchronous gears, and are made for international standard gear steel. Compared with common gears, they are more wearable and steadier, and more laborsaving.
2. Chain: Adopts high strength chain and high precision welding technology meet ISO3077-1984 international standard; Fits for gusty overload work conditions; Takes your hands a better feeling; Multi-angle operation(with SINGLE45).
3. Hook: Made of high class alloy steel, it has high strength and high security; By using new design, weight will never escape.
4. Limit Switch: Using limit switch components in designation to protect chain and ensure security.
5. Components: Main components are all made of high class alloy steel, with high precision and security.
6. Framework: Slight design and more beautiful; With less weight and smaller work area.
7. Plastic Plating: By adopting advanced plastic plating technology inside and outside, it looks like a new one after years of operation.
8. Enclose: Made of high-classed steel, more firmly and dexterous

if you need,pls touch with me!  bdqzcn@hotmail.com  serena shang