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Office: No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China
Factory: Junziguan,Shijingcun Town, Hejian City , Hebei
Province , China
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We specialize in researching and production of rock drilling bits, mainly includes tricone bits, PDC bits, HDD hole opener, foundation roller cutters 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 projects, foundation projects.
Comparison pictures of Regular Inserts Shapes in TCI Tricone Bits

A patent of full covered roller cones
