Kuwonetsa katundu:
Mkuwa ndi chitsulo chosakhala chachitsulo chogwirizana kwambiri ndi anthu.Amagwiritsidwa ntchito kwambiri m'mafakitale amagetsi, mafakitale opepuka, kupanga makina, mafakitale omanga, makampani oteteza dziko ndi madera ena, ndipo ndiwachiwiri kwa aluminiyamu pakugwiritsa ntchito zitsulo zopanda chitsulo ku China.
Mkuwa ndi womwe umagwiritsidwa ntchito kwambiri komanso waukulu kwambiri m'mafakitale amagetsi ndi zamagetsi, zomwe zimawerengera theka lazomwe zimagwiritsidwa ntchito.Amagwiritsidwa ntchito popanga zingwe zosiyanasiyana ndi mawaya, ma mota ndi ma transfoma, masiwichi, ndi ma board osindikizidwa.Mu makina ndi zoyendera magalimoto kupanga, ntchito kupanga mavavu mafakitale ndi Chalk, zida, kutsetsereka mayendedwe, zisamere pachakudya, exchanger kutentha ndi mapampu, etc.