Ụlọ ọrụ Tongdy Sensing Technology Corp
Adreesị: Ụlọ 8, No.9 Dijin Rd, Haidian Dist. Beijing 100095, China
Email：contact@tongdy.com
Ekwentị:+86 10 5973 8938 ext 8032
WhatsApp: +86 15010290079
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