Isithuthuthu kanye Nenjini Encane Catalyst

Saziwa kakhulu-njengabakhiqizi nabahlinzeki bemishini yezithuthuthu ezincane abahamba phambili e-China. Ngokuhlangenwe nakho kweminyaka engaphezu kwengu-15, sikwamukela ngokufudumele ukuthi uthenge isithuthuthu sekhwalithi ephezulu kanye ne-catalyst yenjini encane eyenziwe e-China lapha efektri yethu. Ama-oda enziwe ngokwezifiso amukelekile.