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Changsha Smart Fire Pressure Project

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Factory Direct Changsha Smart Fire Pressure Project: Wanlin WL-PG400 4G Cat.4 Pressure Gauge Export 2026-06-10
Changsha Smart Fire Pressure Project direct from Wanlin Fire Protection — 12-year factory experience, WL-PG400 fully certified CE/FCC/RoHS. Key specs: 4G Cat.4 wireless, 5s alert push via APP/SMS/Call/Email, 3-year