Shanghai is a domestic brand name Black and White film, paper, inkjet, laser and X-ray films manufacturered by SMPIC Photosensitive Materials Factory in Shanghai, China. Their products are marketed Seagull for foreign sales. It is availiable for a consistently 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...

Sources - Links[]

Shanghai Company Website

Shanghai GP3 Negative B&W Film A Flickr Group Devoted to Shanghai GP3