1. Glass balls.
2. Ceramic balls.
3. Precision steel balls.
4. Stainless steel balls: hardening treatment.
5. Stainless steel balls: non-hardening treatment.
6. POM balls.
7. Nylon (PA) balls.
8. Teflon balls.
9. Silicon Nitride (Si3N4) Balls.
10. PP Balls.
11. Copper balls, brass balls, bronze balls, titanium balls, aluminum balls and hard metal balls.
12. Other composite materials made balls.
13. The characteristic of the product: (1)acid and base resistance (2) high temperature resistance (3) light weight (4) low density (5) low noise (6) environmental friendly (7) dyeable.
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