Sichuan Guanghan Economic Development Zone vigorously develops two leading industries, petroleum equipment and medicine and food, according to the development idea of "big project-industrial chain-industrial cluster". The concentration ratio of leading industries is 82% (the proportion of industrial added value of large-scale enterprises in petroleum equipment industry, medicine and food industry to the industrial added value of large-scale enterprises in development zones): the petroleum machinery and equipment park, which is composed of Ishikawa Drilling and Production Technology Research Institute, Southwest Oil and Gas Production Research Institute, Sichuan Honghua Petroleum Equipment Co., Ltd. and other enterprises 100, the top drive maintenance center controlled by Tam Company of the United States and the fire fighting and rescue center of PetroChina, is one of the three major scientific research and production bases in the national petroleum equipment industry, with industrial concentration reaching 60%. The pharmaceutical and food industrial park formed by Sichuan Zhongshu Pharmaceutical Co., Ltd., Sichuan Taihuatang Pharmaceutical Co., Ltd., Yihai (Sichuan) Grain and Oil Industry Co., Ltd. and Sichuan Chuanliang Rice Industry Co., Ltd. has an industrial concentration of 14%. GEKKO, the leading enterprise of Zhongshu Medicine, won the title of "China Famous Trademark", and the Sichuan Modern Medicine Logistics Park, which settled in Guanghan, covers an area of 5 square kilometers (the first phase covers an area of 2 square kilometers), which will be greatly improved.