Waste paper is dissolved in tanks of caustic soda solution to produce pulp for making coarse paper in Tai Wah Paper Company. The Company is located nearby Kong Ha Wai in Pat Heung.大華造紙廠在元朗八鄉江夏圍旁的廠房，缸內的苛性鈉將廢紙溶解成漿，再製成粗糙紙張。