Cov khoom siv raw ntawm tustxhuas ntawv ci ntim khoomyog tsim los ntawm stamping lubtxhuas ntawv ci ntim khoommould ib zaug.
Cov kauj ruam hauv qab no yuav tsum tau them rau thaum mus yuavtxhuas ntawv ci ntim khoom:
1. Yuav cov ntawv ci txhuas ntawv ci los ntawm cov khoom siv yog txhua qib zaub mov. Seb puas yog aluminium ntawv ci raw khoom dhau cov lus qhia thoob ntiaj teb thiab hauv tsev, xws li: yuav tsum dhau SGS daim ntawv qhia hlau hnyav tshuaj xyuas. Tshaj tawm tsis kam tiv rov qab cov khoom siv aluminium raw khoom.
2. Txhua pob ntawm cov roj stamping muas yuav tsum ua raws li kev soj ntsuam kev nyab xeeb khoom noj thoob ntiaj teb thiab domestic.
3. Cov pwm siv hauv cov txheej txheem ntau lawm lim cov txhuas hmoov ua los ntawm cov ntawv thawb kom ntseeg tau tias lub thawv tsis muaj hmoov av. Kev nqus tau mus rau hauv lub ntsws ntau dua tuaj yeem ua rau lub hlwb puas thiab ua ntej dementia.
