Sinodrills Coring Drill Rods and Casing
Oct 28 2011
Sinodrills Coring Drill Rods and Casing
Drill rod sizes: BQ, NQ, HQ, PQ, AWJ, BWJ, NWJ, KWJ, HWJ, RW, EW, AW, BW, NW, HW;
Casing sizes: (“W” series) RW,EW,AW, BW, NW, HW,PW, SW, UW, ZW/HWT, PWT, (Me…
HS-CODE : S12-