How should enterprises issue invoices for patent transfer?

1. The company is selling some commodities or goods. Please choose (goods) in the first category.

2. If the company provides labor services (processing, repair, repair and other non-camp-added enterprises), please choose (labor services) in the second category.

3. The company provides sales services (enterprises that increase commercial value). Please select (Sales Service) in the third category.

4. The company provides services related to intangible assets (patents, trademarks, etc.). Please select (intangible assets) in the fourth category.