All Coway Water Purifier in Malaysia carry the Water Quality Association(WQA) gold seal, but what does that mean exactly? What does the WQA do?
In its own words, the WQA is "a not-for-profit transnational trade association representing the domestic, marketable and man-made water treatment industry. " It was founded in 1974 and currently has over 500 members.
One of the association's terms is a six-step evaluation process for products "in the drinking water pathway," which