use industry-standard steel as materials , produce with advance technology and design
D20 sprocket drive rim undercarriage part
D20 sprocket through high depth of hardening and treatment process to ensure the wear and stress resistance
| Color | Black,yellow |
| Material | ZG40Mn |
| Method | casting |
| Heat Treatment | Yes |
| Hardness | HRC51-56 |
| Warranty | 12 Months or 2000 hours |
| Delivery | Sea |
| Certification | ISO9001 |
| Packing | Wooden Pallet |
| Term of payment | 30% downpayment 70% before shipment |
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