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   We will be firmly adhere to the guidingprinciple of "supporting the continued development of our customers"and satisfy the customer demand for the development and improvement by"advanced technology, excellent quality and good service", toconstantly improve the competitiveness and profitability of our customers! Ensurethe reliable operation of customer equipment!
      In addition, the Company has two railway telephones to facilitate railcustomers to contact us during office hours:  021-64385, 64386.
   The technical support system covering all sits of the national RailwayAdministration is established to ensure the arrival in the fault site within 24hours, so that the problem will be solved in time!

Statement | LinksBeijing Dinghan Technology Co., Ltd. Technical support:ccxcn