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automatic opening fire roller curtain
Selling leads
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Fire damper type Introduction: Fire damper refers to a device installed on the supply and return air ducts of ventilation and air conditioning systems...
2026-04-30 00:05:02
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Smoke & Fire Damper Product Introduction: Improving ventilation and smoke exhaust functions is essential for industrial plants and civil buildings, ...
2025-09-07 00:15:07
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...Automatic Fire Extinguisher Ball Valve with Solenoid Actuator Description: Fm200 container valve with solenoid actuator is started by electromagnet...
2026-04-30 00:05:03
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*, *::before, *::after {box-sizing: border-box;}* {margin: 0;}html, body {height: 100%;}body {line-height: 1.5;-webkit-font-smoothing: antialiased;...
2025-06-21 07:54:42
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