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Qingdao Great Electrical Equipment Co., Ltd. is located in the tourist city of Qingdao, Shandong provincial key scientific and technical units, product in 2000 through the ISO9001 quality system certification, 3C certification, become Chinese science and technology, detecting the industry's first through the certification of enterprises. Company with a large current generator, up flow, thermal relay tester, inverter power supply, circuit resistance tester and other products of R & D and production based, always in order to achieve the customer think, the final goal...