ZCRSs are extremely expensive. But Kathen Lee points out that that any kind of semiconductor plant costs several tens of billions of NT dollars to construct, and installing a ZCRS adds only a few tens of millions of NT dollars to that amount. She feels that since such devices makes up such a small percentage of construction costs and since environmental protection standards are climbing ever higher, they will become more and more common.
雖然沸石轉輪設備非常昂貴，但是李谷蘭認為，在半導體廠動輒數百多億元的設廠經費中，這幾千萬的經費所佔比例不高，環保的要求標準卻愈來愈高，未來，這類汙染防治設備勢必愈來愈普及。