BIQU-B1-Two-in-one-out dual-color printing upgrade kit

1. How do I use the discount code?

Copy the discount code from the product page,and then apply the discount code at check out.

2. Can I redeem multiple discount codes?

No. Discount codes cannot be combined. Only one code can be applied per order.

3. Why is my discount code invalid?

1）The discount code is not applicable to the specific items you want to buy

2)The discount code wasn't entered correctly

3) The discount code has expired

4) The discount code is not from BIQU store