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Xinlong Optical Instrument 13yr.
Main Products:Magnifier,Compass,Microscope,Sight
Contacts:鲁国亮Chat
Mobile:86-15267958555
E-mail: Address:23553 , 2 F, Annex Gate, International Trade Mart (District 3).
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Maintenance and Maintenance Methods:
1. When using and placing the compass (North), do not approach iron magnetic objects, high-voltage lines, or electromagnetic devices, etc., to avoid causing errors and reducing sensitivity.
2. When not in use, it should be placed in a place with good ventilation and dryness to prevent mold.
3.When the surface is dirty, it can be lightly wiped with a white fluffy cloth to maintain the smoothness of the surface.
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