1)  The Drilling Rig with API Spec 4F,7K and 8A our companysold mainly be used in exploration and exploitation of oil and gaswell.
2) Petroleum Drilling Rig can be used in exploration andexploitation of oil and gas well. Our company was a agent ofprofessional petroleum equipment ,The Petroleum drilling rigs whichdepth range from 5000 to 23000 ft( 1,500 to 7000 meters) ourcompany provided, is including series models ZJ20~ZJ70, driveingstyle including with mechanical drive, DC drive, number controlledfrequency conversion electric drive, mechanical and electriccompound drive etc , type A or K derrick structure, their big hookrated load 300 ~1010 lbf(1350~4500KN),mobile means has vehicle,drag or fixed. All petroleum drilling rigs standard with API Spec4F, 7K, 8A,quality class.