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Tongdy Sensing Technology Corporation
Chaw nyob: Tsev #8, No.9 Dijin Rd, Haidian District, Beijing 100095, Suav
Xov tooj: +86 10 5973 8939

Email:contact@tongdy.com
Xov tooj: +86 10 5973 8938 ext 8032
WhatsApp: +86 18680749775

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