Ningbo Qile Electric Appliance Industrial Corporation.established in 1993,is located in Ningbo Cixi Zhangqi Industrial Development Zone on the shore of the beautiful Hangzhou Bay.With three branches,the corporation has passed the international quality system certification of ISO9002and is awarded as the provincial high-tech enterprise,the scientific & technological progress enterprise, the municipal key enterprise and the enterprise with AAA credit rating Its products have obtained excellent quality awards on the provincial level, the ministry level and the golden award on the national level. The trademard of QILE is a well-known trademard in Ningbo City and the HX63 isolating switch has obtained the New Product Award on the national level. The corpo-ration is one of the earliest companies that obtanined the production license and the safety certificate. The corportion has been focusing on the technological innovation and adopting the development mode of united production, learning and research. It has extensive cooperation with the well-known research institutes in universities, such as Shanghai Electric Appliance Research Institute and Zhejiang University. On such a basis ,the corporation has established the Ningbo Sub-center of the only domestic Mechanical Industrial Low-voltage Electric Appliance Engineering Research Center through cooperation with the Center. The Center has already developed the third Genera-tion low-voltage breaker series and the fourth generation is on the stage of research and development. The corporation has extensively applied the computer micro-processing technology CAD/CAM/CAE/UG to design and manufacture and introduced a complete set of advanced SMT paster unit, test instrument and processing center manufacturing equipment home and abroad to ensure the success and reliability of the product development.

    The corporation has developed QLX1plastic-shell breaker series (100A,160A,250A,400A,630A and 800A). The bresker is a new generation high-tech product,possessing the characteristics of small volume, rational design and 25KA-80KA breaking capacity. This product is the advanced plastic-shell breaker with comparable performance to the domestic and foreign products of the same kind.

    With high conversion speed(35-100ms) and high reliability, the PC-grade automatic conversion switch series with double power supply (100A,160A,250A,400A, 800A,with communication in-terfaces)developed by the corporation is specifically suitable for the high-tech product in Ningbo and has been listed in the state torch plan. Its various indicators have reached the advanced level of the products of the same kind on the international market. The product is currently supplied to more than 80% of the enterprises in the industry and has replaced the imported products.