Founded in 1986, Zhejiang Sanai Transformer Co., Ltd. has carried out a completed management system of production, scientific research and sales service in Nanjing and Suzhou recently. We were entitled as a Key Backbone Enterprise of Wenzhou City and AAA Economic Enterprise in the year of 1998.

Specialized in high and low voltage transformers, Sanai possesses excellent and complete technology, as well as inspection equipment, such as KC-1430 full vacuum casting equipment, HEW5Z full automatic transformer test board, HEWA/99 intelligent transformer tester, JF-8601 partial discharge tester, M-2000 2 anti-interference type dielectric loss measuring instrument, transformer full vacuum drying device and transformer vacuum oil injection equipment, which are advanced in China.

There are 168 staff members, 20 junior technicians and 5 senior engineers in our company, with a new building area of 5800sqm in Xin’guang Industrial Zone, which guarantee the development of new products.

Our company produces more than 70 types of current and voltage transformers with over 1000 specifications. Grade 0.2 high voltage electric power measuring tank passed the test conducted by Wuhan High Voltage Measuring Institute in May, 1999. Products with current grade of 0.38kV-35kV and accuracy grade of 0.2, 0.5, 1, 3 are available, which are designed in accordance with GB1208-1997, GB1207-1997 national standard and IEC standard respectively.

Our products are widely used in various electric power stations, electric power plants, factories and electric power systems, sold well in each province, city and autonomous region in our country. They have been used in national major projects for many times. Some of our products are exported to the countries in Southeast Asia. In addition, we also offer transformers with specifications and uses according to clients’ requirements.

“Quality first, credit first” is our promise for clients and we sincerely provide the highest quality products and service for our new and old clients from at home and abroad. You are warmly welcome to visit our factory.


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