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Im a dealer from Malaysia, we bought a GK200 Water Well Drilling Rig 2 years before, good quality, costly price!

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The ST300 geological drilling rig we have purchased was maintenanced very well before delivery.

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We have purchased two Units of drilling rigs from Jinzhou Stone Mechinery Equipment CO. LTD. and works well till now.

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I have bought the Crawler Mounted Drill Rig over 3 years,they are still very good quality. Your products and service are excellent. we will increase more order next time!

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pdc concave drill bit

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Geological Exploration Wear Resistance Pdc Hard Rock Drill Drag Bits
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Longer Life Wear Resistance Pdc Hard Rock Drill Drag Bits For Geological Exploration Brief Introduction Diamond composite (PDC) bit, with diamond composite as the main cutting element, adopts the principle of ... Read More

2020-11-09 09:32:01

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