Guilin Star Diamond Superhard Material Co Ltd
Guilin Star Diamond is a professional manufacturer of the most cost-effective PDC cutter and PDC bits, and they have been dedicated to oil & gas exploration, geothermal well and coal mines for 6 years. Sizes include 13mm, 16mm and 19mm. See our full range of products at 2014 OTC; we look forward to meeting you at our booth.
No.31,Kongming West Road, Qixing District