1. WF full-plastic Elevator balance compensating chain WFS plastic-wrapped Elevator balance compensating chain WFC rope-insert compensating chain 2. Dampening device 3. Hanging device 4. Sliding block for elevator's door 5. Noise-deadening rubber slab 6. Sound insulation slab 7. Position limitation piece 8. Rubber and plastic fillet 9. Rubber buffer 10. Shock absorber 11. H model shock absorder : model .1 /2/3