3. DAYU Engineering
Ili ndi qualification ya kalasi yoyamba ya makontrakitala wamba yosungira madzi ndi kumanga mphamvu ya hydropower.Pali oposa 500 oyang'anira ntchito yabwino, amene angathe kuzindikira kuphatikizika kwa chiwembu chonse ndi kukhazikitsa pulojekiti ndi zomangamanga kukwaniritsa mafakitale unyolo engineering.