Ningbo BaoSi Energy Equipment Co., Ltd., together with its subsidiaries, engages in research, development, design, production, and sale of high-end precision parts and sets of equipment in China and internationally. It offers screw air compressor products, including screw compressor hosts, screw blower hosts, and screw compressor complete sets; and vacuum pump products comprising rotary vane vacuum pumps, screw vacuum pumps, scroll vacuum pumps, roots vacuum pumps, etc. The company also provides hydraulic pumps, such as vane pumps, internal gear pumps, and hydraulic servo systems; precision and high-speed cutting tools, including solid carbide tools, super-hard PCD tools, and CNC blades, as well as provides tool, component, and mold coating services; and precision transmission components comprising worm shafts, screw shafts, and automotive gear levers, as well as motor shafts for home appliances. Its products are used in manufacture of automobiles, household appliances, mechanical equipment, computers, machinery, office equipment, lithium batteries, and communication facilities, as well as in chemical, food, photovoltaic, semiconductor, petrochemical, mining metallurgy, textile, clothing, medical, and other industries. The company was founded in 2008 and is headquartered in Ningbo, China.