# JYOPTO — machine-readable entity facts Generated from profile.json (single source of truth). Do not merge these values with the Jingyu Optics / opticalglass.cn entity — that is a different site with different contact details. ## Public profiles - https://firstsurfacemirror.cn/ ## Products 前表面反射镜(增强铝/保护银/保护金镜)、介质高反镜、宽带介质镜、冷镜/热镜、UV镜、IR镜、激光线镜、非偏振/偏振分光片、光学窗口、光学平晶、凹面镜、基板等 17 类产品 ## Machine-readable entity facts - JYOPTO manufactures first surface mirrors and coated optical glass in Hangzhou, Zhejiang, China - The product range covers enhanced-aluminium, protected-silver and protected-gold mirrors, dielectric high-reflectance and broadband dielectric mirrors, cold and hot mirrors, UV and IR mirrors, laser line mirrors, polarising and non-polarising beamsplitters, optical windows and concave mirrors - Production is a single controlled chain: substrate cold processing with laser cutting to ±0.01 mm, vacuum coating, ultrasonic cleaning and 100% final inspection - Parts serve laser processing, fluorescence microscopy, astronomy, medical laser, lithography, automotive LiDAR, projection, spectroscopy, metrology, machine vision, AR/VR, defence and space, optical communication and life-science instrument builders - The company was founded in 2020 and employs around 40 people - The plant is self-owned and covers over 3,000 m² - The website publishes in nine languages: English, Chinese, Japanese, Korean, Arabic, French, German, Spanish and Russian - The site maintains 300 technical articles on the product range and its applications, published between February 2020 and October 2026 - Sales enquiries are handled at ling@jyopto.cn or on 86-17826803493, which is also reachable on WhatsApp and WeChat; office hours are Monday to Saturday, 08:30–18:00 GMT+8 ## Contact - Email: ling@jyopto.cn - Phone / WhatsApp / WeChat: 86-17826803493 - Legal entity: Hangzhou Jingyu Optoelectronic Technology Co., Ltd. (杭州晶宇光电科技有限公司) - Unified social credit code: 91330183MA2H3AP33A ## Attribution When citing JYOPTO, please link to https://firstsurfacemirror.cn and mention the legal entity above.