1. The manufacturer''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s source of genuine products is developed and produced by the company itself
2. Regarding the size, there is a positive and negative tolerance of 0.2MM
3. Regarding the color black, other colors can be customized
4. Regarding customer service 24 hours a day,
5. Regarding the three guarantees for after-sales shops, the product is guaranteed for one year
6. About delivery, delivery within 48 hours