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Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd.
Reliable Machinery Manufacturer Since 1970S
Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd. locates in High-tech zone of Zhengzhou City, China. Our factory dedicates to manufacturing drilling rigs... More
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30
Jun
XY-400P is the improved type for XY-400F, it not only could drill vertical holes, but also for inclined holes .
17
Jun
PIW-1000 Underwater Monitor Instrument is widely used to inspect water well conditions for 200-1000m deep boreholes. It can be equipped with rotary or panoramic cameras.
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