1.The buyer must remember not to rush to sign when receiving the goods! Be sure to check the goods in front of the delivery personnel before signing! Once the goods are signed,On behalf of the recognition of the goods by both parties, there is no dispute! The goods will be shipped according to the address you provided (that is, the delivery address left on the website when purchasing the goods). If you sign the parcel on behalf of the personnel (such as your family, colleagues, doormen, classmates, etc.) sign, you are deemed to have signed. Contact to report that the machine or accessories are lost after signing.,Quantity does not match,The company is not responsible for serious damage and other problems! 2.Please confirm the receipt and give it in time after receiving the goods without any quality problems.5Star praise, you will enjoy one-year free warranty privilege, except for human damage. In addition, you will get some gifts or discounts on new orders!