Tianjin double Yida trade limited company   

        Tianjin double Yida Industry & Trade Co., Ltd. is a professional engaged in a no parking zone pressure seal technology and product development, promotion and application, set Branch, workers, trade and integration of high-tech Professional Company, over the years to no parking zone development, application and development of pressure sealing technology. In addition to inherited some advanced technology in the world, but also to create a tool, sealants, and fixture design, field operation technology with unique double Yida characteristics. There are strict quality standards and management in product design, manufacturing, construction and operation etc.. When the leaked production apparatus and equipment, piping and other parts, can not stop, does not affect the production situation

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