Stellar Mechanical& Electrical Technology Inc. is a national high-tech enterprise with dozens of patents at home and abroad. Adhering to the technical concept of "overturning the traditional" and "creating the unprecedented", it is dedicated to the research, development, manufacture and sales of oil-free, high-efficiency, low-noise and high-speed turbomachinery. The company’s flagship products are commercial central air conditioning centrifugal compressors based on the aerostatic bearing, high-speed direct-drive centrifugal air compressors, high-speed direct-drive centrifugal nitrogen compressors, high-speed direct-drive natural gas expansion generators, ORC waste heat generators, high-speed high-power permanent magnet motors, etc. Aerostatic bearing is a new high-efficiency and low-cost technology to replace the magnetic bearing. StellarME’s aerostatic bearing adopts gaseous, liquid or vapor-liquid dual-phase working medium of compressor or expander as bearing lubricant without introducing another lubricating medium, providing pure gas without lubricating oil for the chemical industry, food, feed, biopharmaceuticals, low-temperature engineering, air conditioning, metallurgy, coal mine, energy, environmental protection and other fields. The company has mastered the core technology of high-efficiency oil-free centrifugal compressor and expander, and possesses independent intellectual property rights. All products are protected by international patents, and all technologies are created in China. Established in August 2015 and registered in Hangzhou National High-tech Zone (BinJiang) with a registered capital of 10 million yuan and a total investment of nearly 100 million yuan., StellarME is an advocate of oil-free centrifugal turbomachinery.