# YISHUN Optical: Precision Optical Polishing \& Ultra Precision Machining Services \| Ra 1nm

> YISHUN Optical offers top\-tier optical machining, lapping and polishing services at our ultra\-precision machining factory for demanding industries\.

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## 页面
- [Machining Capability for AR/VR Optical Mold Inserts](https://yishunoptical.com/machining-capability-for-ar-vr-optical-mold-inserts/): Yishun evaluates AR/VR optical mold designs with aspheric, freeform and complex curved surfaces, supported by five\-axis machining, ultra\-precision machining, controlled finishing and precision inspection\.
- [Consumer Electronics Lens Mold Core Custom Machining](https://yishunoptical.com/consumer-electronics-lens-mold-core-machining/): Custom lens mold core machining for smartphone and camera optics, supporting spherical and aspheric surfaces, mirror finishes, micro\-features and multi\-cavity consistency\.
- [Laboratory Consumables Precision Mold Solution](https://yishunoptical.com/laboratory-consumables-precision-mold-solution/): Precision mold insert solutions for laboratory consumables, with support for thin\-wall geometry, repeated cavities, sealing features and polished functional surfaces\.
- [Endoscope Optical Component Mold Solution](https://yishunoptical.com/medical/endoscope-optical-component-mold-solution/): Precision mold insert solutions for endoscope optical components, with engineering review and ultra\-precision machining support for small optical geometry, mirror surfaces and critical features\.
- [Microfluidic Chip Mold Inserts for Precision Micro\-Feature Machining](https://yishunoptical.com/medical/microfluidic-chip-mold-inserts-for-precision-micro-feature-machining/): Precision microfluidic chip mold inserts for microchannels, mirror surfaces and complex micro\-features\. Yishun provides engineering review and ultra\-precision machining support to help control geometry, edge definition and surface quality\.

## 文章
- [How to Avoid Burrs in Ultra Precision Machined Components](https://yishunoptical.com/how-to-avoid-burrs-in-ultra-precision-machined-components/): Burrs form at every machined edge and hurt sealing, fit and optics\. Learn what causes micro burrs in ultra precision machining and how tooling, cutting strategy and deburring control them\.
- [How Surface Finish Affects Ultra Precision Machined Parts](https://yishunoptical.com/how-surface-finish-affects-ultra-precision-machined-parts/): Surface finish decides how ultra precision machined parts seal, slide and perform optically\. Learn how to specify Ra, process route and measurement\.
- [Why Temperature Control Matters in Ultra Precision Machining](https://yishunoptical.com/ultra-precision-machining-temperature-control/): Learn why temperature control decides whether ultra precision machining holds ±0\.5 μm tolerances and Ra 1 nm finishes, plus the thermal questions to ask suppliers\.
- [How to Choose Between Lapping, Polishing and Ultra Precision Machining](https://yishunoptical.com/how-to-choose-between-lapping-polishing-and-ultra-precision-machining/): Unsure whether to specify lapping, polishing or ultra precision machining? Compare surface finish, flatness and geometry to choose the right process for precision optical parts\.
- [Custom Precision Optical Component Manufacturing: From Drawing to Finished Part](https://yishunoptical.com/custom-optical-component-manufacturing-drawing-to-finished-part/): Learn how custom optical component manufacturing turns drawings into finished parts through precision machining, optical polishing, lapping, and QC\.

## 分类目录
- [Blog](https://yishunoptical.com/category/blog/)
- [Cases Study](https://yishunoptical.com/category/cases-study/)

## 标签
- [Surface Roughness](https://yishunoptical.com/tag/surface-roughness/)
- [Optical Polishing](https://yishunoptical.com/tag/optical-polishing/)
- [Flatness](https://yishunoptical.com/tag/flatness/)
- [Optical Lapping](https://yishunoptical.com/tag/optical-lapping/)
- [Optical Finish](https://yishunoptical.com/tag/optical-finish/)

## Optional
- [Sitemap index](https://yishunoptical.com/sitemap_index.xml)