“FOR TALK BACK SYSTEM
MAKER:SHANGHAI JIANGNAN CHANGXING HEAVY INDUSTRY CO.,LTD.
MODEL NO.7E466019EB” “5W WT SPEAKER(100V)
intercom system” SHANGHAI JIANGNAN CHANGXING.NA.425-8
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- tle：+86 13303359283
- Email：sales@anqing-cssc.coma
- address：Shanghai global financial center 20-8
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