| After-sales Service: | field service, spare parts, remote instruction |
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| Warranty: | 1year |
| usage: | for towing |
| material: | 20Mn, 30CrMo, 20#Steel, 45#Steel, etc. |
| threading standard: | DIN, BS, GB, ASTM |
| production: | 1,000,000 pcs/year |
| Samples: |
all the freight cost will be on the buyer′s side
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| Customization: |
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