kampaniyo makamaka zikugwira zida downhole, pobowola Chalk nsanja, zipangizo oilfield matope ndi zipangizo mankhwala processing ndi okwanira. kampaniyo amagwirizana ndi malo yambiri kupanga ndi zida zapansi ku China ndipo akufotokozera mofulumira m'munda wa makampani mafuta makina. Iwo ali zinachitikira wolemera mu kafukufuku, kusindikiza ndi ntchito zida mafuta kuboola, ndipo amatipatsa mankhwala ambiri makampani mafuta ndi munda mpweya chida kunyumba ndi kunja.