SANJING wet alarm valve is a one-way valve that only allows water to flow into the sprinkler system in one direction and alarms at the specified flow rate.
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Nanjing Ruizhi Industries Co., Ltd: We're well-known as one of the leading 3.6v li-socl2 battery, 3.0v li-mno2 battery, 3.9v li-so2cl2 battery, 1.5v li-fes2 battery, li-socl2 battery spiral type
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Shanghai Langjue Mould Co., Ltd: We're professional CNC machining, mould, 3D printing, carbon fiber parts, sheet metal manufacturers and suppliers in China, specialized in providing the best service
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