China ) - Wanted International Agents and Distributors - Tuesday 3 March 2020 5:43 am - dirstributor of dth hammer bit wanted
zr is a professional manufacturer of dth drilling tools and top hammer drilling
tools in china dth hammer drill bits rods button bits overburd... [Downhole drilling stabilization services]
China ) - Offers to Sell and Export - Friday 18 January 2019 2:53 am - oil tricone drill head bits
parameter of oil drill bits
general date
bit size 14 3 4 quot 374 7mm
iadc code
hjt 437
bearing type
journal bearing
nozzle
3 nos
seal typ... [Downhole drilling tool repair services]