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The copper material is wear-resistant, and its performance is much better than that of other materials. The aluminum lock core is the representative of low cost, not wear-resistant, not fireproof; The iron lock core is fireproof, wear-resistant and difficult to process, but it has good fire resistance. The copper lock core is wear-resistant and easy to process. It is not fireproof. Compared with iron, it is soft and easy to pry. The iron is not safe enough.
The copper material is wear-resistant, and its performance is much better than that of other materials. The aluminum lock core is the representative of low cost, not wear-resistant, not fireproof; The iron lock core is fireproof, wear-resistant and difficult to process, but it has good fire resistance. The copper lock core is wear-resistant and easy to process. It is not fireproof. Compared with iron, it is soft and easy to pry. The iron is not safe enough.






