SMPICGG
Overview
Shanghai is a domestic brand of Chinese Black and White film, paper, and laser and X-ray films manufacturered by SMPIC Photosensitive Materials Factory in Shanghai. Their products are marketed Seagull for the overseas market. It is availiable for a low price on Ebay and sometimes there is not even a charge for shipping. A large amount of the 120 roll film availible outside of China marketed Shanghai GP3 is exported from brokers in Hong Kong through Ebay. According to their website, their products are availiable directly from them as well...
Sample Images
File:Http://farm3.static.flickr.com/2568/4205230254 bc813ff35c b.jpg
Sources - Links
Shanghai GP3 Negative B&W Film A Flickr Group Devoted to Shanghai GP3 --Ggedney1 14:36, 13 January 2010 (EST)