Muna Chikunguru, 2019, kambani yedu yakasaina chibvumirano chegore rimwe chete che "top drive lending" muZhengtong, Xinjiang, uye top drive yayo NOV TDS-11A yakagadziriswazve ndokusvika panzvimbo iyi mukati mevhiki imwe chete kubva pazuva rekusaina chibvumirano.
Nguva yekutumira: Nyamavhuvhu-26-2022 Yakapfuura: Zvinotevera: Nyaya 2