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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Shandong Jingwei Chemical Fiber Rope Net Co., Ltd. specializes in the production of sports rope nets, labor insurance rope nets, farming, animal husbandry and fishery rope nets, daily necessities nets
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Qinhuangdao PUDA Electronic Co.,Ltd: Best bagging machine for sale, bulk bag packing machine discount price, semi-automatic big bag filler, valve packing machine, open mouth bagging machine, copper
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