Nisshin Shōkō (日進商行) was a Japanese distributor. It sold the Semi-Tex 4.5×6 folder from 1937.
References/External Links[]
http://camera-wiki.org/wiki/Nisshin_Sh%C5%8Dk%C5%8D
All credit goes back to Camera Wiki Org for i do not own any of these information nor the pictures provided in this page