Invoicing another tax point, consult customer service in detail.Payment method: product repairs: 1. If the product has quality problems (in the absence of non -artificial damage), buyers can send them back at a time after a certain amount of bad products, and then change it.You can also send it back with the ordered goods next time.2. Send to the product we need to return to repair, please fill in correctly (specify the contact name, address, and product issues in detail), we will return to the product according to the contact address you filled in.3. We are not responsible for the back and forth freight of the product repairs, and customers need to pay for themselves.Return and exchanges: 1. Different products have corresponding warranty periods (usually 3 months to 1 year quality insurance).If the quality problem occurs during the warranty period, and the non -artificial damage, a new one can be replaced (depending on the degree of damage to the product).The validity period of the warranty label posted on the product is subject to the validity period (note: during the warranty period, the warranty labels should be kept clear, complete, and uninterrupted).2. Customers who are selling off -selling products should be returned and exchanged (the premise of refunding is that the goods should be kept intact, and there must be no signs of damage or wear).In the prescribed time, the product has no quality problems and cannot be returned.3. Human damage, damage to packaging, cannot be returned, and can be negotiated in special circumstances.4. The buyer has just received the product to find a problem (such as: the product model is wrong, the product less accessories, etc. You need to contact us within 24 hours after the signing)