H-18 HEAVY DUTY DOOR

H-18 HEAVY DUTY DOOR

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HEAVY DUTY DOOR
FEATURES
1. Install in factories, hospitals, airports, military bases and other high security areas to be protected.        
2. special tracks and wheels, carrying heavier and more stable. .        
3. using a large radius of the pulley and greatly reduce noise and enhance the useful time.        
 

INSTRUCTION
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