During the Japanese occupation, Kuanmiao's nearby bamboo forests came to the attention of the Japanese who sent an expert to help refine the local craftsmanship. Because over 90 % of the products ended up in Japan, Kuanmiao's reputation grew.
日據時代，日本人看上關廟廣大的竹林和眾多會編竹器的人口，特別由日本派遣技師來台輔導，編制比較細緻、精巧的器皿，成品百分之九十銷往日本，關廟的竹器於是聲名遠播。