Copper Metallic Powder - Copper hmoov series muaj cov xim hlau zoo nkauj, tuaj yeem siv rau ya kub, xim kub, ntaub, kub luam ntawv, tshuaj ntsuam luam ntawv, hmoov txheej thiab lwm yam, uas ua rau muaj kev cuam tshuam sai & yooj yim hlau!