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This product is a series of high-end color changing pigments designed specifically to protect vision, aiming to provide excellent color change protection for eyeglass lenses and other optical products through innovative material technology. The product line covers a wide range of low, medium, and high refractive index requirements, meeting performance requir...

This product is a series of high-end color changing pigments designed specifically to protect vision, aiming to provide excellent color change protection for eyeglass lenses and other optical products through innovative material technology. The product line covers a wide range of low, medium, and high refractive index requirements, meeting performance requir...

This product is a series of high-end color changing pigments designed specifically to protect vision, aiming to provide excellent color change protection for eyeglass lenses and other optical products through innovative material technology. The product line covers a wide range of low, medium, and high refractive index requirements, meeting performance requir...