this company is by the Chinese Academy of Sciences, Shanghai Institute of applied physics (former CAS Shanghai Institute of nuclear research) investment company specializing in special transformers, development and production of high-tech enterprises. the main persistent pressure transformers, high-frequency high-voltage transformer, power transformer, choke, inverter transformer and other special transformers. constant voltage transformers is an expert company in the domestic first successfully developed high-tech products. has won the second prize of national scientific and technological progress second prize for scientific research, Chinese Academy of Sciences, Shanghai significant science achievement award, and other awards. formed a number of series over the years, more than 100 kinds of products. the widely used in satellite, telecommunications, railways, cable TV, equipment, high-frequency equipment, environmental equipment, nuclear industry and other fields. products throughout the provinces. and exported to Singapore, Nigeria, Burma and other countries. by the majority of the user's trust and praise.

companies so far, three products obtained national patent.
company passed the international quality system certification.
company has strong technical strength, medium and senior professional and technical personnel more than 30% per cent of total number of employees. CAS Shanghai Institute of applied physics for the company to provide strong technical support and good scientific research conditions. the company will continue development of superior performance, quality and reliable products, meeting the needs of the users.
constant voltage transformer is ideal for modern high-reliability AC regulated power supply. the company to develop and produce constant voltage transformer design is novel, unique structure, wide voltage range, with overload and short circuit protection, and anti-jamming capability, high reliability. level in the country has been in a leading position. by the experts, product level has reached the international advanced level of similar products.