Tom qab daim ntawv thov KISHO Iav Cav, koj puas xav tau kev txij nkawm?
Ua ntej, tus tswv ntawm lub davhlau ya nyob twg paub, feem ntau waxing xim yuav ua kom cov laus ntawm cov xim muaj zog raug mob. Yog li plated crystal khoom tshwm sim, siv lead ua-ntev ntev cov khoom ntev tsis tuaj yeem tiv thaiv qhov kawg, tshem tawm kev raug mob txhawj xeeb ntawm cov tswv khoom nquag polishing thiab waxing cov xim, tab sis nws muaj cov khoom xyaw inorganic silicon, nws tus kheej tsis yog oxidized, tsis txhob tsav lub tsheb xim oxidation. Nce qhov nqi ntawm cov tsheb.
Peb niaj zaus txheej txheem cov khoom nyob hauv Nyiv tsis muaj kev txuag, tiam sis, nyob ntawm seb cov neeg mob cia thiab cov tswv teb ntawm thaj chaw, peb pom zoo txog rau lub hli rau cov neeg siv khoom ua ib zaug txij nkawm, tsis tsuas yog muaj peev xwm tshwm sim ci ntsa iab thiab xim ntxoov ntxoo cov nyhuv, tab sis kuj cia cov neeg tuaj yeem tuaj yeem rov qab tuaj kom muaj lub voj voog ntawm kev noj.