Welcome to the Shaanxi Dongzerui Technology Development Co., Ltd.
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Shaanxi Dongzerui Technology Development Co., Ltd.
Tel：+86 400-883-0117
Email：dzr_yxb@dongzerui.com
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Explosion proof digital intercom system
Drilling explosion-proof monitoring system
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System certification
Domestic explosion-proof certification
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ATEX authentication
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Oil drilling and production equipment installation
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System certification
Domestic explosion-proof certification
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Qualification
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Domestic explosion-proof certification
Explosion proof control box
Explosion proof network bridge
Explosion proof display
Explosion proof control keyboard
Explosion proof cylindrical came...
Explosion proof PTZ integrated c...
Explosion proof ball type camera
Explosion proof digital telephon...
Explosion proof digital intercom...
