Yih Dar Technologies Co., Ltd., established in November 1994 in Changhua, Taiwan, is a manufacturer, distributor, and service company specializing in professional optical lenses and glass surface treatment technologies. With 11 to 50 employees, the company focuses on vacuum coating, including Sputtering in-line coating, Multi-layer evaporation coating, and Chemical dipping coating technologies. Yih Dar Technologies offers a diverse range of products for the 3C, automotive, livelihood, and defense medical fields. Their product portfolio includes various optical filters such as Trans-reflective Mirrors, Infrared Absorbing/Reflecting Filters, Dichroic Mirrors/Filters, Cold/Hot Mirrors, and ITO Glasses. They also specialize in automotive mirrors, providing Aspheric, Spherical, Flat, and Blue Rearview Mirrors, as well as AR Protect Panels for displays and digital camera window glass. The company provides a wide array of coating services, including anti-reflection, anti-scratch, anti-fog, and anti-glare coatings, and offers custom product development based on specific customer requirements. Yih Dar Technologies' main market is North America.