According to Yao Chengkuan, director of the Chunan Paper Products Processing Association, currently there are about 150 large and small paper money factories in Chungkang, and about 80 % of the residents work in them. It's a key economic resource.
而依竹南紙類加工協會理事長姚正觀估計，中港目前約有一百五十家大大小小的金銀紙製造廠，百分之八十的居民在廠內工作，是當地主要經濟來源。