Zigong Zhaoqiang Sealing Products Industrial Co., Ltd. It has independently developed four major series and more than 200 types, obtained 14 utility model patents, 16 projects at or above the provincial level, and two National Torch Plan projects. One national key new product project, 2 national science and technology small and medium-sized enterprise technological innovation projects and 11 provincial projects. New sealing materials are currently being studied to replace traditional sealing modes. ,