With an annual production capacity of 40,000 tons, now we are the largest professional production base of wear-resistant chrome grinding steel and forged grinding balls in northern China.
1. Impact Test
2. Rockwell Hardness Test Specimen Preparation
3. Chemical Composition Inspection
4. Surface Hardness Inspection
5. Internal Quality Inspection
We are standard GMP factory, ISO9001:2015 qualified, customers are from Chile, Peru, South Africa, Egypt, Vietnam ..etc.