Lub luag haujlwm tseem ceeb ntawm Cov Tshuaj Kho Dej
Lub luag haujlwm tseem ceeb yog tswj kev tsim cov nplai thiab cov sludge, txo cov corrosion ntawm cov ntaub ntawv hauv kev sib cuag nrog dej, tshem tawm cov khib nyiab thiab cov tshuaj lom hauv dej, deodorize thiab decolorize, soften thiab stabilize dej zoo, thiab lwm yam.