bolt large door bolt iron door bolt

ABS material, brown-red, nickel-plated iron buttons

1. 20Multiple stringent quality control tests are required, and only perfect products can pass the qualification.
2. After polishing, no electroplating is needed, maintaining the original color of stainless steel.
3. 48Hour salt spray test, to test its high-strength corrosion resistance and wear-resistant properties.
4. After several processes, the final product is fully inspected to ensure the quality of the products that are shipped from the factory.