ZhanSong Industrial Co. LTD


Common sense for the selection and purchase of hardware accessories

Author:admin Date:10/17/2018 6:43:02 AM
 Look at materials: Lock materials in the market are basically divided into stainless steel, copper, zinc alloy, iron steel and aluminum materials. Stainless steel has good strength, strong corrosion resistance and constant color. It is the best material for lock making. Copper is more common, mechanical property is superior, price is more expensive, high quality zinc alloy is strong and wear-resistant, corrosion resistance is very strong, easy to form, generally used to make middle lock.
Weigh the weight more than the hand: weigh the weight, listen to the hand, listen to the sound, steal the material, make the material with the hollow material and the inferior material. This material weighs light, the use is very poor, the sound is very dull, and the good lock is the opposite.

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