What is the meaning of anti-theft door level?
Anti-theft door level meaning, it and the senior certificate, the material and requirements are different, there are points on the division
Anti-theft door sub-B-B grade, Class-A means that the plate to 1.0 * 2.0 lock to the national Class-A standard!
The security door is now graded, The best is a Class A-level configuration is the highest, such as the thickest steel plate, lock cylinder lock handle relative to the helium floating reed can not be high-end if the conditions permit, you can pursue the next Paint, the more high-grade paint the better the surface treatment, do not fade. The With a long time there is nothing to change but there is nothing. Do not buy fake level Oh!
