... components/parts,such as a crown block,traveling block,hook,swivel, rotary table,mast & substructure are in compliance with API ... mechanics, electricity, hydraulics and pneumatics into design, the intelligent control for drilling rig is realized through PLC technology and touch screen. 2. To ... of travelling system mm(in)1120 (44)Internal dia. Of swivel stem mm(in)75 (3)Drawworks power rating kW(hp ...