O tala fa'apisinisi e masani lava mo nisi o malamalama e uiga i metala taua, e pei o auro, siliva, kopa, platinum, palladium, ma isi. E masani lava o le a tatou faʻalauiloaina nisi o faʻamatalaga talafeagai e uiga i le faʻamamaina o auro, faʻamea siliva, faʻafefeteina auro, paʻu paʻu paʻu, tekinolosi faʻavevela faʻaulu, teuteuga laulaau auro, faʻaofuofu teuteu, faʻapipiʻi uʻamea taua, ma isi.
Shenzhen Hasung Precious Metals Equipment Technology Co., Ltd. o se kamupani inisinia faʻainisinia o loʻo i le itu i saute o Saina, i totonu o le aai matagofie ma sili ona televave le tuputupu aʻe o le tamaoaiga, Shenzhen. O le kamupani o se taʻitaʻi faʻatekonolosi i le vaega o le faʻavevelaina ma le tuʻuina atu o meafaigaluega mo metala taua ma mea fou alamanuia.
O lo tatou malamalama malosi i le masini masini faʻatekonolosi e mafai ai ona tatou tautuaina tagata faʻatau pisinisi e lafo maualuga-alloyed sila, vacuum maualuga manaʻomia platinum-rhodium alloy, auro ma siliva, ma isi.