Traditionally the boom season for umbrella sales is before Christmas in Europe and North America; in Asia, it is the four-to-six-month-long plum rain season. Previously, umbrella manufacturers had to begin export preparations for the busy season six months in advance.
毛幼芳表示，以往傘業的旺季，在歐美是耶誕節前，亞洲則是 4 ~ 6 月的梅雨季，而製傘業為了因應旺季出口，早在半年前就要全力備戰。