Shanghai Chuangqi Electron Equipment Co., Ltd .( is scale enterprise being that one specialized production constitutes the mutual inductance implement , exporting mutual inductance wares , zero order mutual inductance wares , reactances implement , the breakers exchanging contactor , minitype. The implement producing mutual inductance among them already history having 20 , be country Bureau of Quality and Technical Supervision , machinery ministry of industry , country electrician committee attestation enterprise , be one of country first batch of the enterprise gaining mutual inductance implement manufacturing licence in glory. Now available senior engineer 4 people , middle rank technician 15 people , technology strength are tremendous , the ability product design is developed is strong.