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diamond drill bit picture composite drill bit picture (plum bore)

Summary: 联系人 曹伟 公司名称 济宁卓力工矿设备有限公司 金刚石复合片钻头金刚石复合片的应用大大提高了煤钻头的钻进效率,正在逐渐取代硬质...

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zhengzhou rui yi drill, domestic high-quality diamond composite drill leader, 23 years focus on diamond drill bit, diamond composite drill bit, the production and development of pdc drill, more variety, complete specifications, support cash on delivery. china manufacturing network manufacturer tianjin snooker oil machinery trading co., ltd. provides speed sharp diamond composite drill bit pictures, and speed sharp diamond composite drill bit hd picture detail picture. pdc drill production manufacturers mainly supply carcass pdc drill bit, steel pdc drill bit, including four knives, five-knife wings, six knives, seven knives, etc. specific dimensions are 37898mm, 4 58118mm, 5 78.

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