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I-Tongdy Sensing Technology Corporation

Idilesi: Isakhiwo 8, No.9 Dijin Rd, Haidian Dist. Beijing 100095, China
Email：contact@tongdy.com
Ifowuni:+86 10 5973 8938 ulwandiso 8032
I-WhatsApp: +86 15010290079
I-Wechat: 18910275837