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Address: Building No.2, Block A, No. 1, Disheng Beijie, Beijing Economic-Technoligical Development Area(Yizhuang) post code:100176 |
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headquarter customer service phone:95105868 Headquarters' telephone:010-58022266 |
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Headquarters' customer service fax:010-58022176 Headquarters's customer service email:dontai@dontaicn.com |
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