Cov kuab paug khib nyiab (xws li PR, NMP, PMA, thiab lwm yam yog tsim los ntawm cov khoom siv los ntawm cov txheej txheem txheej txheem kom tau cov kuab tshuaj. Cov khoom no yog siv los ua kuab tshuaj rau inks, inks, textile dyes, thiab tu cov tshuaj tiv thaiv ua kua crystal qhia.
Qhia cov thev naus laus zis thiab cov khoom siv ntawm cov tuam txhab Japanese, ua rau cov pa roj ntsha, cov pa roj ncaws pob, ua kom cov pa roj ntsha, Nruab rau hauv cov ntsiab lus ntawm cov khoom siv, thev naus laus zis thiab kho cov roj ua kom zoo, cov tshuaj khib nyiab thiab khib nyiab thiab lwm yam dej khib nyiab thiab hauv tsev. Cov peev xwm ua txhua hnub ntawm ntau cov dej khib nyiab tuaj yeem ncav cuag ntau dua 100 tons. Kev kho cov dej rov qab tuaj yeem siv dua li yaug dej hauv cov haujlwm sib dhos ntau thiab ntsuab ntawm cov chaw Hoobkas, kev ua tiav cov peev txheej. siv.
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