Kev tsim cov tshuaj pleev ib ce ntuj
Yuav ua li cas yog tias peb tsis xav nqis peev rau cov ntawv pov thawj tshuaj pleev ib ce kim? Ib qho kev xaiv zoo tshaj plaws yog kev tsim cov txheej txheem ISO 16128 los ntawm International Organization for Standardization. Txawm li cas los xij, nws yog ib qho cuab yeej zoo los txiav txim siab feem pua ntawm cov khoom xyaw ntuj, ntuj, organic thiab organic. Feem ntau ntawm kev ntim khoom…