Product Description
1.The adjustable section of closing speed is 180°-20°.The adjustable section of locking is 20°-0°
2.The painting plastic moving arm can protect from eroding, the excellent closing can protect from oil leakage.
3.Super aluminum alloy casting machine and the three layers of brightness painting will protect it from oxygenation.
4.Two hydraulic pressure valves control two sections of door closing separately .The speed of locking have been control by the whole section of hydraulic pressure.
5.The high-carbon steel axis and rack work smart and less transfigure after being managed through high channel adjusting.
6.With a function of stopping at anchor point of 90°and no anchor point of 180°
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