... used as seal for ammunition and weapon and electrical products such as war products, instruments and meters.Package and storage: the production ... Co., Ltd., Dalian Tairui Chemical Industry Co., Ltd., Dalian Tairui Biological Engineering Co., Ltd., Dalian Tairui Photovoltaic Technology Co., Ltd., Daliang Tairui International Trade Co., Ltd. and Chaoyang Xinlin Bentonite Chemical Co., Ltd ...