2. All copper core
3.2 nickel-plated iron key
4. Copper marble, stainless steel spring
5. Stainless steel padlock is made of stainless steel, which is easy to be combined with doors and windows. Stainless steel padlocks are healthier and more environmentally friendly. The appearance is simple and practical.
6. The nature of stainless steel can determine its fire resistance, high temperature resistance and heat resistance. The stainless steel padlock program is not easy to be damaged;
7. Because the stainless steel padlock is made of stainless steel, it has high density and can effectively prevent moisture; Easy to clean and maintain. Stainless steel padlocks will not change color, and locks made of stainless steel will be new.
8. The service life of stainless steel padlock is longer than that of other materials. The stainless steel lock is environmentally friendly and more in line with the modern humanistic spirit.