Strictly speaking, Yangzijiang does not have a pharmaceutical agent. All those who sell Yangzijiang drugs belong to Yangzijiang Operations Corporation. Yangzijiang has a total of about 6,000 people engaged in drug market sales, promotion, and management. It includes various subsidiaries, mainly prescription drugs. The operating company is divided into three bureaus, nine major companies, followed by large provincial companies and local regional companies, mainly generic drugs. Except for individual patent buyouts, At present, it can be said that all domestic pharmaceutical companies are generic drugs, and very few have their own patented drugs