Shaanxi Tefico Petroleum Mechanical Electric New Technology Co., Ltd. (Head Factory)

Adopting advanced AC-SCR-DC technology to realize stepless speed regulation of drawworks, rotary table and mud

Various drive modes including â��diesel engine + hydraulic coupling transmission + chain compoundâ

Tefico---a manufacturer and exporter of onshore rotary drilling rig and relative components since 2000. 1. C

Adopting advanced fully digital AC variable frequency technology, the intelligentized driller control is reali

Tefico---a manufacturer and exporter of onshore rotary drilling rig and relative components since 2000. 1. C

The substructure types used are skid mounted, truck mounted/mobile, trailer mounted, piled box, sling-shot and

Tefico---a manufacturer and exporter of onshore rotary drilling rig and relative components since 2000. 1. C

XJ350 workover rig is mainly used for shallow well workover, oil testing, fishing and pump check operations. I