... crown block,traveling block,hook,swivel, rotary table,mast & substructure are in compliance with API standards, and can be stamped ... , electricity, hydraulics and pneumatics into design, the intelligent control for drilling rig is realized through PLC technology and touch screen. 2. To ... (142)Height of substructure floor m(ft) 7.5 (25)Drilling floor clear height m(ft)6.26 (20.5) ZJ40 Drilling Rig