Tianheoilindependentlydevelopsandproducesdownholemotor,drillingjar,mudmotor,agitator,fishingtools,buckingunit,maintenanceequipmentandvalves,atotalofmorethan130varietiesof1000kindsofspecificationsofoildrillingindustryprofessionaltoolsandequipment.

更新时间：2023-05-08

drillcollar,stabilizer,slip,threadprotector,OCTG,drillingtool,drillingjar,casing

更新时间：2023-06-12