dab methylene chloride / dichloromethane siv rau?
Nws yog dav siv raws li kws tshuaj intermediates,
polyurethane foaming agent / blowing tus neeg sawv cev los ua cov PU ua kua ua tau yooj yim,
hlau tu ,
roj dewaxing,
pwm tawm tsev neeg,
decaffeination tus neeg sawv cev,
tus neeg sawv cev ntawm tus ntxhua khaub ncaws,
thiab tseem nyob rau hauv nplaum, agrochemical thiab zaj duab xis kev lag luam, thiab lwm yam.










