About Tongda

    Yantai Tongda Refrigeration Equipment Co.Ltd is a collection of production management and development of energy-saving and envi-ronmental protecion refrigeration equipment and refrigeration systems of professional company.
    The company adhering to the enterprise idea of "people of concentric,promising", after sever years of professional experience in refrigeration practice, it has researched and developed independently of "controllable security and energy saving control system".The system has a number of self intellectual property rights of patent technology,providing production process guarantees for the users with its reliable security......