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  Chengde longzhida Intelligent Instrument Technology Co., Ltd
  Chengde longzhida Intelligent Instrument Technology Co., Ltd

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Intelligent water mixing solution

Intelligent water mixing solution

Sewage flow detection system scheme

Sewage flow detection system scheme

Smart Water Solutions

Smart Water Solutions

Intelligent pipe network solution

Intelligent pipe network solution

Smart gas meter solution

Smart gas meter solution

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Add:No.3, longzhida Road, electronic industrial park, high tech Industrial Development Zone, Chengde City, Hebei Province

Inquiry purchase:0314-5932916

Installation complaints:0314-5932916

E-mail:longzhidacd@163.com
Website: www.cdlong.com

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Chengde longzhida Intelligent Instrument Technology Co., Ltd