الوصف

THEORY Refractive index by a wide range of material, the use of high-vacuum coating technology, according to the specific structure of the film's design requirements, precise control of the thickness of the film, and the ratio of the order, followed by deposition in the same form on the carrier. APPLICATION Now some well-known enterprises at home and abroad for high-end home and commercial products. PRODUCTS Red / green green / red purple / green blue / red SECURITY FEATURES With the observation angle changes, light color change will be shown in different colors, and has a sparkling metallic luster.