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Drain alarm valve (diaphragm type)

Drain alarm valve (diaphragm type)

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Automatic sprinkler fire extinguishing system
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Drain alarm valve (diaphragm type)

Company：Shanghai Qiaoning Industrial Co., Ltd.

Address：Room 210, Building B, Intelligent Space, No. 5808 Shenzhuan Road, Songjiang District, Shanghai

Phone：+86 15021522516

Whatsapp：+86 15021522516

Wechat：+86 15021522516

Email：wangyongyuyovn@gmail.com

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