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HANGZHOU DOOREN TECHNOLOGY CO.,LTD
HANGZHOU DOOREN TECHNOLOGY CO.,LTD
Product introduction:
Cylinder lock has six advantages.
1)High strength and good impact resistance.
2)Good toughness, high hardness and not easy to break.
3)Oxidation resistance, corrosion resistance and rust resistance.
4)Wear resistance.
5)High and low temperature resistance.
6)Long service life and low comprehensive cost.
Featur:
1. Hold the cylinder lock in the daily process of opening and closing the door. Hold the handle and screw the locking bolt into the lock body, and then let go after closing the door. Do not hit the door hard, otherwise the service life will be shortened.
2. After the handle lock is used for a period of time, it may not open smoothly. Do not drop ordinary lubricating oil or engine oil into the lock cylinder, but drop professional lubricating oil into the lock cylinder and open it several times.