About signing:

to protect your legitimate rights and interests, please sign for the package when you confirm that it is not damaged. If you find any damage, missing, wrong delivery, or less delivery, please contact our Wangwang customer service, we will check and handle it for you.

About invoices:

formal machine invoice can be provided (tax point is required), and the receipt is free of charge;

note: Our factory does not accept unconditional rejection of shipment. Otherwise, the buyer must bear the labor cost, packaging cost and product return freight of this order. Please take it seriously. If you are not sure, please contact Wangwang customer service directly.