E gaosia ituaiga uma o ipu apamemea masani, paipa apamemea, pa apamemea, fasi apamemea, paipa apamemea, ipu alumini ma uaea, ma mea e le masani ai e fa'apitoa. E tu'uina atu e le kamupani le 10 miliona tone o mea apamemea i le tausaga atoa. O tulaga fa'atonuina autū o oloa o: GB/T, GJB, ASTM, JIS ma mea fa'atonuina Siamani mo le apamemea: DINH59, HPB58-3, HPB59-1, H62, H65, H68, H70, H85, H90 apamemea e puipuia ai le siosiomaga e aunoa ma le ta'i, apamemea manganese, apamemea silicon, apamemea alumini, apamemea mama T2, TU1, TU2, apamemea fa'amamāina o le phosphorus TP2, H62, C36000, apamemea alumini 9-4 apamemea 5-5-6-6-3 10-1 10-2 apamemea pa'epa'e zinc nickel apamemea pa'epa'e silicon Bronze Qsi3-1 Qsi1-3 apamemea chrome apamemea zirconium chrome C18200 C18000 C18150 CuNi2Si apamemea apamemea QSn6.5-0.1QSn7-0.2C5191.