Ningbo Tianan (Group) Co., Ltd P.R.C was created in 1994 from Xiangshan H.V. Electrical Apparatus Works, a stated owned enterprise founded in 1969.  Tianan Group, is the national key hi-tech enterprise and leading one in the power transmission and transforming industry in Zhejiang province.With its accumulated skills and technologies, the company would supply the best quality product such as oil, dry type transformer, switchgear, circuit breaker and so on. The products have been used in many national key engineering and large construction project such as world outstanding spacecraft Shenzhou NO.5 shuttling base, Qingzhang railway, Three Gorge Project, Xiao Langdi Project, Qinshan and Da Yawan Nuclear Power Station and subways in Shanghai, Beijing and Guangzhou, etc. They have been also exported to European and Southeast Asia. Our products not only conform to IEC standard, but also attain the certificates of type test report by CESI, ISO 9001 certificate of quality system.