| After-sales Service: | on Line Service |
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| Warranty: | One Year |
| ventilation mode: | mechanical ventilation |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
1. Plain surface has no finish.
2. Meets ASME B18.22.1 specifications.
3. Flat washer provides a bearing surface for fastener load distribution or acts as a spacer.
4. Steel is often used in applications where strength is the primary consideration.
Suppliers with verified business licenses
Audited Supplier 
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