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mining equipment

Offer type: salePublished: 14.07.2014
Seller:Chzhan' Elena
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our products have high technical characters include 1)high speed drilling hard rock with powerful steel or zernotorgovelna rock-arms of the cones, to have long term use. 2)good strength,it is difficult to break,strong and durable,easy availability,ease of management. 3)eliminates the junction of the energy loss cone drill,high efficiency,eliminates loss of bits.