1. The material shall be 40Cr or above alloy steel
2. All raw materials are customized by large domestic steel plants. Before entering the plant, secondary tests are carried out to ensure stable and controllable product materials.
3. The basic amount of chain parts have realized white motion and CNC-controlled production
4. Mesh belt furnaces, infiltration, high frequency, etc., are used for heat treatment to make the chain plate and shaft sleeve reach the working state. The quenching medium is made of Korean Dragon base oil
5. Professional inspection personnel are assigned to inspect each level to ensure the product quality
6. Over 20 years of operation, we have accumulated a lot of practical experience, especially in the non-standard chain leading city, which enjoys a good reputation in the industry
