Establish the electronic instrument plant in Haimen of Zhejiang (real key enterprises of group of Zhejiang now ) in the sixties, it is one of the units that produces the tester earlier in our country, offer all kinds of detecting instruments and equipment for electromechanics trade specially, the factory had perfect quality amount management systems, had already passed ISO9001 quality amount system authentication in 1997, the factory is self-contained, technical force is rich, measuring , detecting instrument is complete, It is one of the units obtaining" making the measuring apparatus licence" in the first batch (namely CMC certificate), the leading products of our factory are the quality amount detection systems of all kinds of electrical machineries, among them several major series of stagnat work examining machine of magnetism and SC series glisten and test the speed the appearance is the competitive product of our factory, the equipment and instrument of our factory have already been accepted by numerous users in these decades, especially all kinds of new-type magnetism introduced in recent years examines work and various kinds of electrical machineries to input the test system which output the parameter stagnatly , received by user favourably deeply , nearly ten thousand users of our factory spread all over the north and south of great river .