1. Provide development/production requirements, and provide sample testing and confirmation after receiving the requirements.

2. Sign the mass production confirmation sample before placing an order, and produce according to the sample.

3. Pay the purchase price or sample fee according to the agreement from the date of receipt of the order.

4. Deliver on the agreed date.

5. If there is no problem feedback within one week after receiving the goods, the transaction is considered to be completed by default.