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Tongdy Sensing Technology Corporation
Adresa: Building #8, No.9 Dijin Rd, Haidian District, Peking 100095, Kina
Telefon:+86 10 5973 8939
E-mail：contact@tongdy.com
Telefon:+86 10 5973 8938 lokal 8032
WhatsApp: +86 18680749775