Confirm order information‌: First, confirm the detailed information of the order with the customer, including the type, quantity, specifications, etc. of the required hardware products.

‌Issue sales order‌: Issue sales order according to the order information. The sales order should contain the following information: the name of the purchaser, taxpayer identification number, product name, specification model, unit price, quantity, amount, tax rate, tax amount, etc. All information must be true and accurate and reflect the actual situation of the transaction.

‌Check information‌: After issuing the sales order, carefully check the information on the sales order to ensure that it is consistent with the customer's order information. After verification, stamp the sales order with a special invoice stamp and sign or stamp it by the invoice issuer to ensure the authenticity and legality of the invoice.

‌Deliver sales order‌: Deliver the issued sales order to the customer to ensure that the customer receives the complete sales order.

‌Tax reporting and declaration‌: Enter the sales order information into the financial system and make tax returns in accordance with the prescribed time and method. This is an important step to ensure tax compliance‌2.

‌Manage documents‌: Establish a sound document management system, regularly train employees on document management, and strengthen the supervision and inspection of documents. In addition, an electronic document system can be used for management to improve efficiency and accuracy‌.