Duniyar hakar ma'adinai ta Rasha-Rasha-Rasha da ke kan gaba wajen hakar ma'adinai da injinan hakar ma'adinai, kayan aiki da fasahar fasaha, MiningWorld Rasha ita ce nunin kasuwanci da duniya ta amince da shi wanda ke ba da hidima ga masana'antar hakar ma'adinai da ma'adinai.
Tianjin Longtop Mining Co., Ltd ya jajirce wajen samar da abin dogara da m ma'adinai inji da kuma kayan aiki a dukan duniya.
Lokacin aikawa: Mayu-17-2021