Beijing Beiyi Innovation Vacuum Technology (北京北仪创新真空技术, formerly Beijing Instrument Factory) is a company that designs and manufactures vacuum products. It offers small air-cooled oil diffusion pumps, baking electrodes, cold traps, vacuum coating equipment, and vacuum pump rotor axial floating positioning devices. The company caters to microelectronics manufacturing, medical devices, laboratory equipment, solar, and other industries.