TEL£º0086-10-61756739
FAX£º0086-10-61756719
E-MAIL£ºbtbs1998@163.com
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ADD£ºRM 451,46 Building,3 Blocks Mingjiahuayuan,Changping District,Beijing,China TEL£º0086-10-61756739 FAX£º0086-10-61756719 E-MAIL£ºbtbs1998@163.com |
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