How to avoid tax reasonably in pharmaceutical sales industry

The gross profit margin of terminal sales in pharmaceutical industry is very high, which increases the tax burden of value-added tax and enterprise income tax. If the billing rate is also high, the sales revenue can hardly reduce the income. Only by continuously purchasing goods to increase inventory can the unsold goods be deducted from the sales items of other sold goods in advance. You can temporarily pay less value-added tax (a more compliant method). As for the overcharge of corporate income tax.