When ordering by telephone, after confirming the required products, please provide your invoices to the sales person, and the invoice will arrive within two weeks after payment of the goods. If you are ordering on the website, please select “Yes” before you submit the order, and fill in the invoice header. The invoice will arrive within two weeks after payment of the purchase price. The invoice we provide is a special invoice for the product. This invoice can be used as an entity for reimbursement. One order corresponds to one invoice. The delivery fee amount is not included in the order invoice amount.