What are the product warranty terms and conditions?

Buynav.com.cn will replace products which are found to be materially defective by the product manufacturer and are covered under the manufacturer warranty period, subject to the following terms and conditions:
  1. All products covered under warranty must meet the terms and conditions of warranty as set out by the original manufacturer.
  2. These warranties do not apply to any defect which arises from improper use, failure to follow the product instructions, or any repair or modification made without the consent of Buynav.com.cn
  3. The product manufacturer must provide confirmation that the returned product is materially defective whilst under the manufacturer warranty period specified on Buynav.com.cn
  4. The product must be covered by the manufacturer warranty period specified on Buynav.com.cn
  5. Customers must return the products to be claimed under warranty to Buynav.com.cn's offices at the customer's own cost
  6. The customer must have completed a service report and received email approval from Buynav.com.cn before sending a product to be claimed under warranty to Buynav.com.cn's office. Note: Email approval from Buynav.com.cn only applies to sending a product to be claimed under warranty to Buynav.com.cn's offices. Final product warranty claims must be approved by the product manufacturer
  7. Product replacements will be sent to the customer when a new replacement or repaired product is received by Buynav.com.cn from the manufacturer 
If the customer claims a product under warranty not in accordance with the above, Buynav.com.cn may refuse to accept the product and return the product to the customer at the customer's expense.
 
If the product is not found to be materially defective by the product manufacturer, Buynav.com.cn will return the product to the customer at the customer's expense.