... /1700LDB, ZJ40/2250LDB, ZJ50/3150LDB, ZJ70/4500LDB/LD. Tefico workover rig includes XJ250, XJ350, XJ450, XJ550, XJ650, XJ750 , XJ850, ... 1000HP from 250HP to 1000HP.Tefico rig equipmentsinclude mast, substructure, crown block, rotary table, drawworks, travelling ... .Product Advantage: there are all-round land drilling rig and rig equipment types as well as good quality since most ...