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By certification 
The separation of multi section oil pressure jack has a larger stroke, is the best choice for maintenance, manufacturing, construction and other operations, the bottom of the design of the installation hole, making it easy to install and locate
Characteristic
Part of the piston piston rod in welding copper, surface hard chromium plating, never cylinder, abrasion resistance
Single action design, spring back to shrink
High strength alloy steel can use for a long time
Characteristic
Part of the piston piston rod in welding copper, surface hard chromium plating, never cylinder, abrasion resistance
Single action design, spring back to shrink
High strength alloy steel can use for a long time
