Malinga ndi chilengezo cha Unduna wa Zanyumba ndi Zachitukuko zakumidzi, njira yopangira madzi ndi ngalande zamabizinesi achitsulo ndi zitsulo monga muyezo wadziko lonse (chiwerengero cha GB50721-2011) chidzakhazikitsidwa pa Ogasiti 1, 2012. Metallurgical mwini...
Werengani zambiri