Singabakhiqizi bamathangi okugcina uketshezi lwe-nitrogen e-China, abazibandakanya ekuhlinzekeni ngemishini yekhwalithi ephezulu nezingxenye ezisele ngohlelo lokulawula lwe-PLC. Sicela uzizwe ukhululekile ukuthenga ithange lokugcina le-nitrogen eliwuketshezi ngentengo encintisanayo efektri yethu. Xhumana nathi ngesevisi eyenziwe ngokwezifiso.
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