Products such as CM-205 and CM-211 from Zhenjiang Chimei are PMMA products of the company. PMMA, commonly known as plexiglass, has extremely high transparency, good weather resistance, and processability. In the production of advertising light boxes, its extremely high transparency can make the light shine through more clearly, enhancing the advertising effect and attracting consumers' attention. In the handicraft field, its good weather resistance enables it to be placed outdoors for a long time without fading or aging, and it can be used to make various exquisite outdoor sculptures and decorations. Its processability facilitates the production of various complex shapes. In the field of optical lens manufacturing, it can meet the requirements for optical performance and appearance, and is often used to manufacture spectacle lenses, lenses of optical instruments, etc.