Mawilo a Sitima ya Sitima Yopangidwa Mwamakonda Aloyi. M'mphepete mwawiri, rimu limodzi ndi mawilo opanda m'mphepete zonse zilipo. Zinthu zamawilo zingakhale ZG50SiMn, 65 zitsulo, 42CrMo ndi zina zotero, zikhoza kusinthidwa malinga ndi zofuna za makasitomala.
Zopangira zitsulo zimagwiritsidwa ntchito kwambiri m'makampani, monga zida zopangira; zida zamagetsi zamagetsi; zida zama hydraulic; zida zogubuduza mphero; makina a petroleum, etc.
Chitsulo chopangira girth girth giya chimagwiritsidwa ntchito kwambiri m'mafakitale a simenti, ng'anjo yozungulira, migodi, kukweza, mafakitale opepuka, makampani opanga mankhwala, mayendedwe, zomangamanga ndi makina ena ndi zida zochepetsera.