Invoicing another tax point, consult customer service in detail.Payment method: Product repair: 1. If there is a quality problem with the product (in case of non-human damage), the buyer can use accumulative method to send it back to exchange it once after the bad products have accumulated to a certain amount.You can also send it back together with the ordered goods next time you order.2. Send us the product that needs to be repaired. Please fill in it correctly (indicate the contact name, address, and product problem in detail). We will return the product to you according to the contact address you filled in.3. We are not responsible for the round-trip shipping fee for product repair, and the customer must pay it by themselves.Return and exchange issues: 1. Different products have corresponding warranty periods (usually 3 months to 1 year warranty).If there is quality problems during the warranty period and is not artificially damaged, it can be replaced with a new one (depending on the degree of damage to the product appearance).The warranty period shall be subject to the validity period of the warranty label attached to the product (note: During the warranty period, the warranty label should be kept clear, complete and without human damage).2. If the customer needs to return and exchange the goods (the prerequisite for return and exchange is that the goods must be kept intact and there must be no signs of damage or wear), the customer will contact our staff within 15 days after receiving the goods., if the product has no quality problems within the specified time, it cannot be returned or exchanged.3. Artificial damage, packaging is damaged, and it cannot be returned or exchanged. Special circumstances can be negotiated.4. The buyer just received the product and found something wrong (such as: the product model is incorrect, the product has few accessories, etc.... You need to contact us within 24 hours after signing for it)nullnull