CustomizableItems
Cutting DlA. Custom : design various cutting diameter based on demand, such us Φ950、 Φ1o50 etc;
Shell HIT. Custom : design as demand, prolong or shortten, increase amount of per drilling, improve efficiency;
Bottom Custom : single bottom and double bottom design as demand;
Kelly Box Custom : custom kelly box size based on the kelly bar, such us 130*130, 150*150,200*200 etc;
Bottom Open Mechanic : half-automatic or manul mechanic bottom open system.
