Can the quantity and unit price on the invoice be omitted?

You need to fill in the quantity and unit, those that don't need to be returned and reopened.

Legal basis:

"Measures for the Administration of Invoices in People's Republic of China (PRC)" Article 22 Invoices shall be issued at one time in accordance with the prescribed time limit, sequence and columns, and stamped with the special seal for invoices. No unit or individual may commit the following acts of falsely issuing invoices: (1) Issuing invoices that are inconsistent with the actual business conditions for others and themselves; (two) let others issue invoices for themselves that are inconsistent with the actual business situation; (three) introduce others to issue invoices that are inconsistent with the actual business situation.