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By certification 
Product Properties
1.DISPLACEMENT ADJUSTABLE SCREW
Integrated cover distance adjusting screw.Positive and negative 2mm adjustmentRange
2.PURE COPPER HYDRAULIC CYLINDER BLOCK
Hinge" core" wins, mute source throughOne million open and close tests, no damage and no oil leakage.
3.6PIECE OF HIGH MANGANESE STEEL
Heart raw material,6 pieces of thickened semi-ringhydraulic booster arm.
4.THICKENED CARBON STEEL RIVETS
Thick and thick carbon steel
Product advantages
1.Conscience selection
Choose stainless steel material, high hardness, corrosion resistance, not easy to deform and rust
2.WEAR- RESISTANT RUBBER
DURABLE MUTE
3.THICKENED HYDRAULIC ARM .
Unhindered
4.HIGH TOUGHNESS SPRING
Not easy to break
5.COPPER CORE HYDRAULIC STEEL BODY
BUFFER AND QUIET
6.WITH SEVEN ARMS, THE DECIBELS ARE LOWERED AND THE HINGE MAKES ONLY 30 DECIBELS OF SOUND, THE EQUIVALENT OF A PERSON TALKING QUIETLY.
Packing and shipping
Look forward to working with you
In the past ten years, our products have been exported to the United States, Canada, Mexico Saudi Arabia, Egypt, Philippines, Vietnam, South Korea, Japan, Turkey, Italy, Germany and other countries, looking forward to cooperating with you for a win-win situation.
http://www.xuchang-hardware.com/
