Choyamba, ntchito yogwiritsira ntchito makampani a cellulose ether Ndi chitukuko chofulumira cha zomangamanga, chakudya, mankhwala, mankhwala a tsiku ndi tsiku ndi mafakitale ena, kufunikira kwa msika wapadziko lonse wa zinthu zopanda ionic cellulose ether zakula mofulumira m'zaka zaposachedwa. Pambuyo pa 2000, mafakitale a cellulose ether adakwera mwachangu ...
Werengani zambiri