Changsha blower factory limited liability company (formerly blower works in Changsha) is a large backbone enterprise, one of the 500 largest machinery industries in China, national important technical supporting fan fixed-point production factories, national standards drafting unit roots blower, fan Association Director unit, petroleum, petrochemical, power, metallurgy, and equipment resources auxiliary units of the basic industries of the national economy. the company was founded in 1950, there are ten function rooms and six main production plant, with two holding and joint stock company, schedule staff more than 1200 people.

company began specializing in the production of roots blower in 1958; 1986, approved by the State Commission of the first Japan exclusive advanced roots blower (vacuum) design and manufacturing technologies; 1997, passed the ISO9001 quality management system certification, 2004 investment shares of the Xian Jiaotong University saier pump AG 2008 passed ISO14001 environmental management system and occupational health and safety management system certification, OHSAS-18001.

as industry within of technology led type Enterprise, long drum has domestic scale maximum of roots blower test center and set design, and technology test research Yu one of provincial Technology Center, has a support development strength strong of professional talent team, times bear national "85", and "95", and "15" focus technology research project, and completed has State major equipment Office, and Sinopec Corporation, and machinery Department major equipment Division, issued of more items national major equipment localization Research task.

as national first introduced world advanced design manufacturing technology of enterprise, by on introduction full digestive and absorption, independent development, has launched has has full independent intellectual property of AR standard series, and JTS/CTS three leaves into group low noise series, and JAS three leaves into group high pressure series, and s small high speed energy saving series, and TAS and TAR double level series, and R-VT high negative pressure series roots blower (vacuum pump) and the intelligent monitoring system, series new products. where: s-series small energy saving type high speed blower, speed up to 4800r/min, up 40%, material, and energy saving 4-8%;ARH of very large roots blower flow up to 1200m ³ /min, Asia's largest roots blower, leading product technology, reached the international advanced level.

company has development has domestic first Taiwan High negative pressure roots vacuum pump, and first Taiwan double level roots blower, and first Taiwan three leaves low noise blower, and first Taiwan water Xia roots blower, and first Taiwan high are pressure roots blower, and first Taiwan maximum flow of roots blower sth sth, filled has more items domestic blank, and created domestic most roots blower application area of first, such as pressure swing adsorption system oxygen, and various industrial gas, and material transportation and the crane with mobile type blower (vacuum pump),, for promote in China petrochemical, and power, and Domestic production of metallurgical, chemical fertilizers, building materials and other large equipment has made a significant contribution.

as of now, the company has more than more than 100 scientific research, with international advanced level of technology more than more than 10 items. has has 4 species products is departmental standards, 10 species products is award, near 20 a technology project is province, and City Science and technology progress award, and provinces excellent technology innovation project, multiple products is national energy saving products, and machinery Department top products, and national and provincial new products, and brand products, title, 8 a series is CE certification, two large series is coal Ann certification, enterprise has times won national after-sales service user satisfaction model units, and innovation type Enterprise, and excellent enterprise, honors title, "long wind" brand roots blower also won has "China's most competitive brand", "preferred brand of national key project" of the title. products widely application Yu energy, and power, and oil, and building materials, and metallurgical, and chemical, and fertilizer, and mine, and food, and environmental, and gas, industry and area, domestic market share up 25% above, especially in petrochemical, and power, and building materials, and system oxygen, focus industry, more has clear of market advantage, and as power station, and cement, and metallurgical, project of supporting device export, sold European, and African, and Asia, more than 20 multiple national and area.

"leading technology, quality first, customer first" business philosophy has always been a long drum. to this end, the company is willing to work with sincere cooperation attitude, down-to-earth style of work, excellent product quality, timely and thoughtful after-sales service, with all the new friends to help each other, work together to create a better tomorrow!