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.
O le Shenzhen Hasung Precious Metals Equipment Technology Co., Ltd. o se kamupani inisinia masini o loʻo i le itu i saute o Saina, i le aai matagofie ma sili ona vave tuputupu aʻe o le tamaoaiga, o Shenzhen. O le kamupani o se taʻitaʻi faʻatekonolosi i le vaega o masini faʻavevela ma faʻapala mo le alamanuia o uʻamea taua ma mea fou.
O lo matou malamalama malosi i tekinolosi fa'a'ofuofu e mafai ai ona matou auauna atu i tagata fa'atau pisinisi e fa'a'ofu u'amea maualuga-alloy, platinum-rhodium alloy e mana'omia maualuga le vacuum, auro ma siliva, ma isi.