1. Scope of Application
This policy applies to all enterprise customers (B2B) purchasing industrial borescopes, endoscopes, pipeline inspection cameras, and related accessories in bulk. For individual consumer orders, please refer to our B2C retail refund policy.

2. Return / Refund Period
Standard Products: Return and refund requests may be submitted within 14 calendar days from the date of receipt.
Customized Products: No returns for non-quality reasons; if there is a quality issue, it must be reported within 7 calendar days of receipt.
Bulk Orders (≥10 units): Preliminary inspection must be completed within 3 business days of receipt; any issues must be reported immediately.

3. Refund Eligibility Criteria
Refund requests must meet ALL of the following conditions:
 Product has not been put into use, with no wear, scratches, or damage to appearance
 Original packaging, manuals, certificates, and warranty cards are intact
 Purchase contract, invoice, or payment proof is provided
 Software license (if applicable) has not been activated
 Failure is not caused by human damage or improper operation

4. Non-Refundable Situations
 Products already deployed in field use
 Products disassembled or modified by the customer
 Missing accessories or severely damaged packaging affecting resale
 Custom-specification or specially calibrated products (non-quality issues)
 Refund requests submitted after the specified period
 Failures caused by customer’s operating environment not meeting requirements
 Consumable items (such as probe protective covers, batteries, data cables, etc.)

5. Refund Process
Submit Request: Purchaser submits refund request via email, including order number, product model, reason for refund, and relevant photos.
Technical Verification: Our technical team will conduct remote verification within 3 business days or arrange on-site inspection.
Approval Confirmation: After verification is passed, both parties sign a return confirmation letter.
Return Logistics: Customer is responsible for properly packaging and shipping the product back to the designated address (shipping costs borne by us for quality issues).
Refund Completion: After receiving and verifying the returned product, refund will be processed to the original payment method within 7-15 business days.

6. Exchange Policy
If the product has quality issues, we prioritize providing same-model exchange service.
Round-trip shipping costs for exchanges are borne by us.
Custom products only support repair or exchange, no refunds.
Exchange cycle: 3-7 business days for standard products; to be negotiated for custom products.

7. Special Provisions
Bulk Sampling Failure: If the unqualified rate of the same batch is ≥5%, the purchaser has the right to return the entire batch.
Installation & Training Services: Fees for completed on-site installation and training services are non-refundable.
Warranty Period Issues: Product failures beyond the refund period but still within the warranty period are covered by the warranty policy, not eligible for refunds.
Deposits / Prepayments: If the order is canceled for reasons not attributable to us, 20% of the paid deposit will be deducted as liquidated damages before refund.

8. Dispute Resolution
Any disputes arising from refund matters shall first be resolved through friendly negotiation. If negotiation fails, the dispute shall be submitted to the people’s court at our location for litigation.