| After-sales Service: | Video Technical Support, Online Support |
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| Warranty: | 1 Year |
| Customized: | Customized |
| 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 
How does is solve the problems?
Is it hard to distinguish each key in a bunch of keys?
Are you still worried that the lock could easily be forced open?
Is it complicated to wiring for your electronic lock?
Would you like to know the unlock records for your mechanical lock?
Vanma Smart Passive Electronic Lock System is launched
Suppliers with verified business licenses
Audited Supplier 
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