Shaoxing Shangyu Ventilator Co., Ltd. state-owned enterprise transformation. Founded in 1988, the company is a scientific and technological backbone enterprise specializing in the design, manufacture and sale of various kinds of advanced civil construction and fire fighting, ventilation and refrigeration equipment for industrial and mining enterprises. Through the national fixed fire extinguishing systems and fire-resistant components of quality supervision, inspection center detection, 3 cf authentication enterprise, the national industrial products production license, the national explosion-proof industrial products production license, national anti-explosive electric products quality supervision and inspection center for explosion-proof fan enterprise certification, the United States (AMCA international air movement and control association member units, the national explosion-proof fan, the fan vibration testing and its limit standard drafting unit, complete set BDWT explosion-proof axial flow fan roof "zhejiang manufacture" standard. The company has a modern standard workshop, advanced processing and manufacturing equipment, has and training professional sales concept of marketing team, with professional production, technology and service team. The company has a long-term cooperation with colleges and universities, scientific research units, and the introduction of international advanced technology and system software technology, new optimization combination, design, development of energy saving, environmental protection, low noise, high efficiency ventilation, fire refrigeration products. Products are widely used the central television station, Beijing Olympic stadium, the Beijing Olympic venues, Beijing shangri-la hotel, the Hilton Hotel in kunming, xi 'an aircraft manufacturing companies, cosco shipping, general motors, Great Wall, Shanghai baoshan iron and steel, red river power plant, daya bay nuclear power station, Shanghai metro, guangzhou, shenyang subway rail station, nanchang west railway station, guangzhou Asian games venues, baiyun airport, pudong international airport, Beijing's new airport, Qingdao airport, chengdu, xi 'an new airport Olympic sports center, Buddha this.i inter-city railway, new energy, shuanghui group in henan, fujian ZhongYan, guangxi ZhongYan, zhujiang international, shimao, China resources Wanda, Vanke, Evergrande, Suning, Longhu, China Shipping and other real estate; Logistics and storage bases such as UPS, Alibaba (Cainiao), Jingdong, Suning, Ambo, Weilong, Ping An, Xinyi, Baowan, etc.; China Construction System (1st ~ 8th Bureau) and other large construction projects, and has become a long-term strategic partner of many well-known domestic and international enterprises. The company is based on the ventilation and environmental protection industry, committed to China's fan technology improvement, upgrading, improve fan performance. In order to ensure product quality and improve enterprise reputation, the company attaches great importance to the training of technical personnel and the introduction of advanced equipment. The company passed ISO9001 international quality system certification in 1999, and established a quality assurance system covering the whole process of procurement, production, design, inspection, sales and after-sales service. Modern standard workshop, high-quality staff, sophisticated production equipment, advanced manufacturing and testing means, so that the product technology and quality reached the domestic and international advanced level. The company development and production of "YuFeng" brand series of fire control, ventilation, refrigeration equipment, has formed the 31 series, more than one thousand kinds of specifications, widely used in the subway, underground garage, tunnel, machinery, automobile, chemical, high-rise buildings and modern warehousing logistics base, metallurgy, paper making, tobacco, light industry, boiler, shipbuilding, pharmaceutical, refrigeration and other industries. The company has an annual output of 50,000 units (sets) of various firefighting, ventilation, refrigeration equipment manufacturing capacity, the products sell well all over the country, and export to the international market. The company has won the trust of customers and the affirmation of the society with high product quality, good energy saving and excellent service. Over the years, the company has been awarded the honorary titles of "3A grade contract abiding and trustworthy unit", "quality trustworthy enterprise", "quality complaint free enterprise" and so on. The production of fire fighting, ventilation, refrigeration equipment, 1994 won the provincial high quality product award; 1995 fire exhaust fan series, smoke exhaust fire valve series through the relevant departments of testing, issued a production and sales license. Other series of products through the provincial technical supervision bureau identification; In 1996 the company produced all kinds of fire ventilation, refrigeration equipment registered as "yu feng" trademark. And obtain the trademark registration certificate; In 2007, the company was comprehensively evaluated as "China Brand Fan Product" by "China Quality Brand Supervision Committee" and "China Quality Supervision and Inspection Center". In 2010, the company obtained the "National Explosion-proof Production License of Industrial Products" issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. In 2012, the company was awarded "Zhejiang Standard Innovative Enterprise", "Shaoxing High-tech Enterprise" and "Zhejiang Science and Technology Enterprise", and obtained "Standardization Good Behavior Certificate". In September 2013, it passed GB/T 24001-2004/ISO 14001:2004 environmental management system certification and GB/T 28001-2011/OHSAS 18001:2007 occupational health and safety management system; In 2013, the company's Yufeng brand roof smoke exhaust fan was recognized as a famous brand product in Shaoxing. In October of the same year, the company was awarded the "Zhejiang Province Industrial and Commercial Enterprise Credit AA Level 'Abiding by Contract and Reliable Credit' Unit". In June 2014, the company obtained the "National Industrial Product Production License" issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. In June the same year, the company won the honorary title of "Grade III Enterprise of Safety Production Standardization". In October 2014, the company obtained the "explosion-proof certificate" and "explosion-proof inspection report" issued by the National Quality Supervision Center for Explosion-proof Electrical Products (explosion-proof marks: Exd IIB T4 GB and Exd IIC T4 GB, which will be converted into 3C explosion-proof certificate in 2019). In 2015, it was rated as "Shaoxing Patent Demonstration Enterprise". In 2016, the company passed the inspection of the National Quality Supervision and Inspection Center for Fixed Fire-fighting Systems and Fire-resisting Components, and issued the 3CF certification certificate. In 2017, it was rated as "AAA Enterprise of Zhejiang Industry and Commerce Bureau"; In 2018, it became a member of the American International Air Movement and Control Association (AMCA). In 2019, it was rated as the "Hidden Champion" in the explosion-proof roof fan industry. In 2019, it became the standard setting unit of "Made in Zhejiang" for BDWT explosion-proof axial flow roof fan. In October 2020, it won the title of "Top Ten Brands of Chinese Fans". The company takes the good faith as the foundation, grows unceasingly, cherishes the hard-won honor, sincerely thanks the society from all walks of life friend and the customer for the long-term care and the support, "yu feng" will continue to take the industrialization, the specialization, the modernization road development, the establishment takes "the service quality, the quality excellence" the management idea. We will, as always, ensure to provide users with high quality fire, ventilation, refrigeration equipment. Your satisfaction is "yu feng" people's eternal pursuit!