The maglev turbine vacuum pump is a high-tech green equipment independently developed by Tianrui Heavy Industry that is energy-saving and environmentally friendly. Compared with traditional vacuum pumps, it saves 40% of electricity on average, is oil-free and water-free, and has a noise level as low as 80dB. It is a high-tech product that is "energy-saving, noise-reducing, oil-free, maintenance-free, and intelligent". It is widely used in papermaking, alumina, chemical industry, electric power, pulp film plastics, oxygen production, textiles and other industries.