Product Details： Product Details： About Factory and Certificate: About Factory and Certificate: Frequently asked questions: Frequently asked questions: Q: How about the return policy: Because we transport the goods from China to the buyer's location, we do not accept a return policy. If there are any quality issues with the goods, we will assist the buyer in repairing and replacing the relevant spare parts. If the package is lost, we can accept a refund to the buyer. Q: What about the damaged goods? A: Please make sure to inspect the packaging and goods before you sign the transportation document. If the damage is caused by transportation reasons, please do not receive the goods and take some photos of the damage. Then contact us first, and we will discuss with our freight forwarder.1. In some countries, the shipping fee is free, but the buyer is required to provide a customs tax ID, while in some countries, the shipping fee does not include import tax;2. If the buyer chooses to transport the goods through the seller's transportation method, we will transport the goods by sea or air (door-to-door or door-to-port) in certain countries;3. If you have any questions, please feel free to contact us. Thank you. Q: How about the warranty? A: Our product warranty period is 1 years. If you have any quality issues, we promise to provide a 1-year warranty (free spare parts). Q: How about the certificate? A: We have CE, ROHS, FCC certificates, as well as UL and KC certificates for power cords, PCBs, motors and other components. Q: Regarding customs duties or import taxes: A: We are not responsible for tariffs or import taxes in certain countries. You can first inquire which countries. Q: I am a distributor and I want to buy a lot of your products. What is the wholesale price? A: Hi, thank you for your inquiry. If you want to make a large purchase, please send us an email or send us your information through AliExpress. We will provide you with the most favorable quotation. Thank you. My friend.: -) Please note that the product you purchased may have color errors and feature updates. Please refer to the actual product. Thank you.