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By certification 
1. The pressure head oil cylinder adopts the design of mother-son cylinder, the pressure can be adjusted easily and stably.
2. The top and low point of the supporter adopts the perfect combination of machine and electricity control, locating accurately and durability.
3. The claws seats use the incorporate design, the sizes of shoes can be changed quickly.
4. The third and fourth claw can be automatically pulled down, saving time and manpower.
For more details please click www.sd9999.en.alibaba.com
2. The top and low point of the supporter adopts the perfect combination of machine and electricity control, locating accurately and durability.
3. The claws seats use the incorporate design, the sizes of shoes can be changed quickly.
4. The third and fourth claw can be automatically pulled down, saving time and manpower.
For more details please click www.sd9999.en.alibaba.com
