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Explosion proof digital intercom system
Drilling explosion-proof monitoring system
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Shaanxi Dongzerui Technology Development Co., Ltd.
Company address: Building C, Science and
Technology Innovation Park
Gaoxin 11th Road, High tech Zone, Baoji
City, Shaanxi Province
Telephone：400-883-0117　15399171277
Email：dzr_yxb@dongzerui.com
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