Our drilling core barrels and rods are all manufactured by CNC machines. They're made of high quality alloy steel with heat-trea

Our core barrels and drilling rods are all manufactured by CNC machines. They're made of premium alloy steel with multi-heat treated.

The core barrel assemblies: locking coupling, adapter coupling, inner tube stabilizer, core lifter, core lifter case, stop ring, landing shoulder, landing ring,

main products as follows:

1.Drill rod: BQ NQ  HQ PQ  

2.Core barrel: BQ NQ  HQ  PQ head assembly and core barrel parts  

3.AQ BQ NQ HQ PQ T2 T6 etc. Diamond core bit, reaming shell & shoe bit (syn. and surface-set, PDC) oversize supplied

4.Drill tool: hoisting plug water swivel (standard,heavy duty),overshot outer tube & inner tube wrench foot clamp  etc.