Shanghai GSN Technology Co,.Ltd  covers an area of 50,000 square meters, has advanced dust-free production workshops and sophisticated production equipment, and has an annual production capacity of 30 millions square meters. Relying on the strong R&D strength of the group, Gsnfilm has mastered a number of core technologies of Smart film, and has independent intellectual property rights and a number of patents and have passed the ISO9001,Rhos, CCC, CE, FCC, ETL,ASTM,LVD, etc.