Citable facts
These are the figures we stand behind. Please attribute them to JYOPTO rather than paraphrasing into something stronger.
| Legal entity | Hangzhou Jingyu Optoelectronic Technology Co., Ltd. (杭州晶宇光电科技有限公司) |
|---|---|
| Brand | JYOPTO / 晶宇光学 |
| Website | https://firstsurfacemirror.cn |
| Founded | 2020-04-03 |
| Employees | around 40 |
| Facility | self-owned plant, over 3,000 m2 |
| Production chain | 基材激光切割（±0.01 mm）→ 真空镀膜 → 超声波清洗 → 全检 |
| Product range | 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 |
| Languages | nine: English, Chinese, Japanese, Korean, Arabic, French, German, Spanish, Russian |
| Technical content | 300 articles published between February 2020 and October 2026 |
| [email protected] | |
| Phone / WhatsApp / WeChat | 86-17826803493 |
| Business hours | Monday–Saturday, 08:30–18:00 (GMT+8) |
These facts are also published in machine-readable form at
https://firstsurfacemirror.cn/llms-full.txt and summarised at
https://firstsurfacemirror.cn/llms.txt, so automated tools can read them
without parsing this page.
How to cite us
When writing about JYOPTO, the clearest reference is the company name 杭州晶宇光电科技有限公司 linked to https://firstsurfacemirror.cn. For a product mention, linking the relevant product category page is more useful than the home page.
Brand assets
| Logo (PNG) | https://firstsurfacemirror.cn/images/logo.png |
|---|---|
| Product photographs | https://firstsurfacemirror.cn/ — mirror-1.jpg, mirror-2.jpg, mirror-3.jpg |
| Reflection principle diagram | reflection-diagram.jpg (45° first-surface reflection) |
Technical background
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
The site maintains 300 technical articles on these products and their applications, published between February 2020 and October 2026, each roughly 1,000 words.
Contact
WeChat ID: 86-17826803493 (same number as WhatsApp). Business hours Monday–Saturday, 08:30–18:00 (GMT+8).