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Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd.
Reliable Machinery Manufacturer Since 1990S
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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16
Oct
BW-250 is a horizontal three-cylinder reciprocating single-acting piston pump .
12
Oct
There are XY series drilling rig in stock , it's for wireline coring purpose, depth range is 300m -3000m .
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