Grincoat has been granted the patent for "ingredients for mirror and its backing paint," both in Taiwan and mainland China. It is the first company in the world to achieve independent development and mass production of epoxy resin mirror backing paint. Epoxy resin mirror backing paint is superior to common double-layer backing paint for copper-free mirrors in various aspects of performance. With Grincoat's promotion efforts, epoxy resin mirror backing paint has gained the trust and affection of customers all around the world. Epoxy resin mirror backing paint has established a new milestone in the mirror manufacturing industry and pushed the quality of mirrors to an unprecedented level.