If you’ve ever replaced the water filter in your refrigerator, you know they don’t come cheap. Some cost as much as $60, which means that if you follow directions and change your filter every six ...
LG Chem, the country’s top chemical company, will start producing reverse osmosis (RO) filters at its factory in Cheongju, North Chungcheong Province, from September. The move is aimed at diversifying ...
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