Nanjing Tianning Packaging Co.,Ltd is located in the capital city of Jiangsu Province - Nanjing. Nanjing Aerospace Tianning New Material Technology Co., Ltd. is a subsidiary of China Aerospace Science and Industry Corporation (CASIC) and are mainly engaged in fine chemicals research. We own an excellent research and development team which consists of Doctors, Masters and Senior Engineers. For the application needs of synthesize protection technique, in the 90&＃39;s of 20th century, we researched high gas-barrier materials based on modified PVA. This technique passed authentication in department class and won national contrivance patent in 1995. The function of materials is in a leading level in China and some of our materials have attained internationally advanced level. The MRE flameless heating technique which we researched is the earliest one in the related realm in China. The function of products is superior and our products have been sold far to the United States, Canada and Singapore.