1, if the company sells certain commodities or goods, please select (goods) 2 in the first category; if the company provides labor services (processing, repair, repair and other non-VAT-increased enterprises), please select (labor services) in the second category. 3. If the company provides services of sales service type (enterprises that have increased their business value), please choose (sales service) in the third category. 4. If the company provides services related to intangible assets (patents, trademarks, etc.), please choose (intangible assets) in the fourth category. 5. If the company is a real estate sales enterprise, please choose (real estate) in the fifth category. 6. If the company has the following three non-taxable items without sales behavior, please choose the sixth category.