Gelonghui March 20 丨 Aerospace Intelligent Manufacturing (300446.SZ) said on the investor interactive platform that Aerospace Energy, a wholly-owned subsidiary of the company, is a high-tech enterprise engaged in R&D and manufacturing of drilling equipment and high-end completion equipment in the oil and gas equipment field. Since its establishment, Aerospace Energy has localized shale gas (oil) clustering drilling equipment, domestic offshore oil field drilling equipment, and high-end well completion equipment. It has now developed into one of the leading enterprises in domestic oil and gas well drilling engineering technology and strong integrated support capabilities. According to the relevant industry classification of the Shenzhen Stock Exchange, aerospace energy is a high-end equipment manufacturing industry.