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Henan Yugong Machinery Co., Ltd

Free member Since 2019

Henan, China

DTH drilling rigs use impactors and drill bits that are submerged into the bottom of the hole to impact and crush the rock. Therefore, they are called down the hole drilling. It is suitable for large-diameter blast hole drilling operations in small...

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Edith Wang ( Henan Yugong Machinery Co., Ltd )
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