[trusted by my major]

 

1. Sincerely welcome every customer;

 

2. Do business sincerely;

 

3. Sign the contract to reassure the customer;

 

4. Diversified payment methods save customers' attention;

 

5. Responsible for quality problems caused by non-human factors and after-sales service guarantee;

 

6. Pengcheng is looking forward to going brilliant with you.

If you have any questions, please contact the customer service. You are welcome to consult us