If you need our products, contact or check on line.
Or email me directly:firstname.lastname@example.org
PDC drill bits:
New products with super long life, high efficiency and wide application.
1. PDC drill bits (non-core bits)
Application for penetration of gas hole, water-discharging hole, and grout hole under coal mine.
Size: dia 48-dia 270mm
Concave model, Pillar model, Blade model, Expansion model
If you are also interested in http://www.drillingrigts.com/