Baoding North Speed Control Co Ltd   

        Baoding North speed Limited is a high-tech enterprise integrating scientific research, production, sales as one of the. For medium and large capacity high voltage motor energy saving chopping inner feedback series products are high-tech products with independent intellectual property rights of the original type, saving energy, fan and pump drive motor is mainly used in large and medium capacity. Is the domestic first, reached the international advanced level.
        Mr. Qu Weiqian is the inventor chop inner feedback speed regulation theory and the chop inner feedback speed regulation system, in 1987 by the national Ministry of coal promotion to senior engineer, has a number of patents and a number of high-tech achievements.

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