Cov txheej txheem tag nrho ntawm cov khoom siv chiv organic feem ntau suav nrog: cov khoom siv fermentation, cov cuab yeej sib xyaw, cov cuab yeej crushing, cov khoom siv granulation, cov cuab yeej ziab, cov cuab yeej txias, cov khoom siv tshuaj ntsuam xyuas chiv, cov khoom ntim, thiab lwm yam.
Nyeem ntxiv