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Website main domain name：bnd-bj.com
Contact person：Li Lili
Operator： +86-10-81779022
Mobile：+86-13141361028
Email：lilili@tetintegrity.com
Address : future science and Technology City, Changping District, Beijing
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Address: future science and Technology City, Changping District, Beijing
Operator: +86-10-81779022
Mobile: +86-13141361028
Email: lilili@tetinttegrity.com
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