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Beijing ZTFD Smart Tech Co., Ltd
Beijing longguanfeixin Technology CO., Ltd
Mobile: +86 18511059384
Phone: +86 10 84646974
Email: longguanfeixin@outlook.com
Skype: longguanfeixin

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Contact: Jin

Phone: 18601163078

Tel: 010-84646974

Email: longguanfeixin@163.com

Add: The 5th floor, Block 23 yard 2 , Jinsheng Street, Daxing District, Beijing

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