How to look padlock is good or bad, what brand of padlock is good, lock the classification
Small bronze padlock words:
1. Material, relative to the larger range,
Foshan, Foshan, the material with the material than the Wenzhou real.
2. Cylinder, cylinder interlocking rate is also very important. The less the difference is naturally the better.
3. Copper lock and imitation copper is naturally different, copper lock is from the inside out, is entirely copper material.
Imitation copper is inside it may be iron, aluminum, zinc alloy die-casting, the surface and then plated a layer of copper, the surface looks like the same copper lock is the same.
Just use it, imitation copper lock is very easy to rust, with a period of time, no way to open, if you want to sell padlock, then the proposed or take good quality. Can not do a hammer trading thing.
To good quality, the same material, the same lock cylinder case, or the greater the size of the more anti-anti-theft.
There are many types of padlocks, there are domestic and foreign. This problem to teach complex, I know there is a website on the lock, the key above a lot of mastery of the locksmith, you can go to consult, the last time I was in that I got the answer.
