SKY.Established in Shenyang in 2001, SKY is a high-tech enterprise specializing in the R&D, production, and sales of dry vacuum pumps and vacuum scientific instruments. Its core product—dry vacuum pumps—has been successfully localized and deployed in bulk applications across the broader semiconductor sector, including integrated circuit wafer manufacturing, thereby significantly safeguarding the supply chain security of critical national components. Simultaneously, the company has achieved breakthroughs in developing high-end vacuum scientific instruments and MBE equipment, breaking long-standing foreign technology embargoes. It provides critical equipment and technical support for China's major scientific infrastructure projects and cutting-edge research, establishing itself as a vital force for independent innovation in the vacuum technology sector.