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     Shanghai dirong Electric Equipment Manufacturing Co., Ltd. Variable Lang is located in Shanghai China metropolis __. Is a professional production and marketing, technical services, product development and maintenance of an integrated enterprise.
    The company has strong technical force, advanced production equipment, superb technology, testing equipment, efficient management philosophy, reliable product quality. Company transformers, voltage regulators, reactors, voltage regulator, UPS power supply continuously three-phase auto-starter, high and low voltage, lighting distribution box housing, power control box, and a variety of customized special products, the rise in the fierce market, won the majority of customers trust.
    In the new century, Shanghai Yong Electric insist on "Quality First", "reputation first" purpose, adhere to high quality, technological innovation spirit, with reliable quality, excellent service win the trust of users, willing to work with new and old customer sincere cooperation, create brilliant tomorrow hand in hand.

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