In hard rocks drilling, working life of pilot tricone bits is very important to guarantee crossing fisnished at one time. Metal sealed bearing tricone bits is the only one choice to drill very hard and very long rocks crossing.
We specialize in research and production of rock drilling bits, main products includes tricone bits, PDC bits, HDD hole opener, foundation roller cone bits and related tools, application fields includes oil well drilling, gas well drilling, geothermal well drilling, mining, geological survey, hydrographic survey, water well drilling, HDD pipelines installation projects, foundation rock piling projects.
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