Under environmental pressure, they brought in waste water recycling and remanufacturing equipment. They discovered that recycling results were excellent, with a recovery rate of over 90 %. "The market price of one kilo of DMF is NT $ 40.
在環保壓力下，業者引進蒸餾脫水式的廢水回收及再精製設備，結果發現回收效果很好，可以達到九成以上。