The advantage of our product as follows: 1. Professional hoist manufacture 2. Excellent performance 3. International Approval Have got certificate of CE and GS. 4. Experienced technical staff 5. Small order available 7. Top quality raw material The way of electric of operation and rules 1. Before you use the hoist, please do remember to check the hooks and bodies the brake device and the lubrication of transmitting parts, and load chains in good condition as well as the die motions. 2. Dont use two or more hoists to lift one weight 3. Overload is strictly forbidden. 4. No hook tips loading. No direct binding of a load with one chain. 5. No over lifting, no over lowering. 6. Keep anybody out of the place under the loading. Size specification