Luxury Watch Crystals
Key Features :
Mohs Hardness Scale 9
Second hardest material after diamond
Premium Watch Essential
Standard for luxury Swiss watches
Corrosion Resistance
Chemical stability and aging resistance
Scratch and Wear Resistant
Scratch-resistant for daily wear
High Transparency
Excellent optical clarity
Applications :
Top-tier watch brands
Sapphire Watch Crystal
Smartwatch Screen Covers
Key Features :
Smart Watch
Standard on stainless steel & titanium models
Curved Surface Compatibility
2.5D/3D curved design available
Crystal-Clear & Ultra-Responsive
Maintains touch sensitivity
Scratch Resistance
Superior scratch resistance
Water Resistance
Water-resistant , Ideal for swimming and other water sports
Application Scenarios :
Fitness, outdoor adventures, business settings
Watch Sapphire Display
Haute Horlogerie & Luxury Jewelry
Synthetic Sapphire Advantages :
Identical Physical Properties
Same physical properties as natural sapphire
Affordable Price
More affordable than natural sapphire
Variety of Colors
Available in various colors
Eco-friendly Benefits
Eco-friendly production, no mining required
Applications :
Sapphire Rings
Engagement & fashion rings
Earrings
Ear Studs, drops, hoops & more
Lab-Grown Sapphire Jewelry
Smart Ring Sapphire Shells & Sensor Covers
![Smart-Ring-CaseSapphire1-[9]](https://sunyincrystal.com/wp-content/uploads/2026/10/Smart-Ring-CaseSapphire1-9.jpg)
![Smart Ring 5[87]](https://sunyincrystal.com/wp-content/uploads/2026/10/Smart-Ring-587.jpeg)
Key Features:
Mohs Hardness 9
Ultimate scratch resistance for daily wear
High Signal & Optical Transmittance
Ensures uninterrupted bio-sensing & RF signal
Biocompatible & Non-Toxic
Fully compliant with CP65, RoHS, and REACH for skin contact
Applications :
Smart rings, health monitoring rings, wearable biometric sensors
Automotive Camera Lens Protectors
Key Features :
Protective Performance
Resist weather and debris impact
High Image Clarity
Ensure clear safety footage
Environmental Adaptation
Temperature resistant for all climates
Application Scenarios :
Rear-view Camera System
Rear backup cameras need protection
Driving Recorder
Dual dashcam lenses, 24/7 operation
Automated Driving Assistance (or ADAS)
ADAS camera systems require precision
Dashboard Camera Lens
HUD Display Systems
Key Features :
High Transparency
High transparency for clear projection
Heat Resistant
Withstand high temperatures
Applications :
Projection Optical Components
Key optical component in HUD systems
LCD Cover Lens
Protect LCD from scratches and impact
Enhancing Driving Safety
Improves driving safety
Aerospace Applications
Aircraft HUD systems also use sapphire optics
Automotive Head-Up Display
LiDAR & Infrared (IR) Sensor Windows
![Lidas[10]](https://sunyincrystal.com/wp-content/uploads/2026/10/Lidas10-1024x506.jpeg)
Key Features :
Broadband Optical Transmission
Superior clarity from visible to near-infrared spectrum
Extreme Environmental Resistance
Protects sensors from high impact, thermal shock, and harsh weather
Precision Anti-Reflective Coating
Optimizes LiDAR signal accuracy and response rate
Applications :
Automotive LiDAR, Drones, Aerospace optical sensors, Defense electro-optics
Beauty Device Light Guide Crystals
Technical Features :
Heat Dissipation Performance
Excellent thermal conductivity for cooling
Safety Protection
Protects skin from overheating
User Experience
Cool and comfortable skin contact
Heat Resistance
Heat resistant for high-energy light
Optical Transmittance
High optical transmittance
Application Devices :
Hair removal, skin rejuvenation devices
IPL Device Sapphire Light Guide
Surgical Laser Light Guides & Tips
![Laser Light[63]](https://sunyincrystal.com/wp-content/uploads/2026/10/Laser-Light63-1024x506.jpeg)
Key Features :
High Thermal Stability & Transmission
Delivers high power laser energy with minimal transmission loss, designed to withstand extreme thermal
Superior Biocompatibility & Chemical Inertness
100% inert material that is biologically safe, non-toxic, and fully compliant with California Prop 65, RoHS, and REACH standards for medical applications.
Ultra-Precision Surface & Tip Machining
Engineered with high-grade optical polishing and tight tolerances to ensure precise beam delivery and focused tissue ablation.
Autoclavable & Corrosion Resistant
Fully resistant to high-pressure steam sterilization (autoclave) and harsh chemical disinfectants without optical degradation.
Application Devices :
Medical & Dental Laser Surgery
Used in precise soft tissue cutting, dental laser treatments, and dermatological procedures.
Endoscopic & Minimally Invasive Instruments
Integrated into endoscopic laser probes for internal surgical treatment.
Ophthalmology & Urology Optics
High-precision sapphire tips for micro-surgical optical systems.
Endoscope Protective Lens Covers
![Endoscope Lens[93]](https://sunyincrystal.com/wp-content/uploads/2026/10/Endoscope-Lens93-1024x506.jpeg)
Key Features :
Uncompromised Optical Clarity & Transmission
Delivers ultra-high light transmittance in both visible and near-infrared spectrums, providing high-definition, crystal-clear imaging for delicate surgical inspection.
Scratch-Resistant & Mohs Hardness 9
Extremely durable sapphire construction prevents micro-scratches, scuffs, and surface wear, extending the lifespan of optical endoscopes during frequent usage and cleaning.
High-Temperature Sterilization & Chemical Stability
Fully withstands repeated autoclave cycles (high-temperature, high-pressure steam) and aggressive disinfectant chemicals without clouding, coating degradation, or optical distortion.
Medical-Grade Biocompatibility & Compliance
Biologically inert and safe for bodily contact; manufactured in strict compliance with California Prop 65, RoHS, and REACH international environmental and health standards.
Application :
Rigid & Flexible Endoscopes
Protective front windows for laparoscopes, arthroscopes, and cystoscopes.
Medical Micro-Imaging Devices
High-precision optical covers for diagnostic video scopes and surgical camera heads.
Industrial Inspection Endoscopes
Heavy-duty protective lens windows for aerospace and precision machinery borescope inspection systems.
Smartphone Camera Lens Protectors
Technical Advantages :
A Standard Feature for Mid-to-High-End Smartphones
Standard for premium smartphones
Ultra-thin Design
Ultra-thin 0.3-0.5mm design
Oil and Water Resistant
Oleophobic and hydrophobic coating
Lens Protector
Protect lens from scratches
Optical Performance
High light transmittance
Market Trends :
With unmatched Mohs hardness and crystal-clear optical clarity, sapphire covers are emerging as the new gold standard for premium market devices.
Sapphire Lens Protector
Action Camera/Drone Lens Protectors
Key Features :
Outdoor Protection
Resist dust, rain, and impact
Image Quality
Ensure image quality
High Transparency
Excellent optical clarity
Product Applications :
Action Camera
Action cameras for extreme sports
Drone
Drones for aerial photography
Other Action Cameras
Action Cameras and more
Application Scenarios :
Skiing, surfing, climbing, skydiving, outdoor adventures
Action Camera
Drone Camera
Biometric & Fingerprint Sensor Cover
Technical Features :
Thin yet durable, withstands millions of presses
Sensor Protection
Protect sensor from damage
Sensitive Recognition
Maintains recognition accuracy
Applications :
Home button smartphone
Home button sapphire cover
Laptop
Premium laptop fingerprint sensors
Other Devices
Tablets, smart locks and more
iTouch ID Sensor Structure
Smart locks
Industrial Barcode Scanner Windows
Application Advantages :
Retail Industry Standards
Industry standard in retail sector
Impact Resistance
Impact resistant for accidental collisions
Easy to Clean
Easy to clean and maintain
High Transparency
High transparency for accurate scanning
Wear Resistant
Durable for long-term frequent use
Application Scenarios :
Supermarkets, convenience stores, warehouses, logistics centers