ONE SOURCE.
PRECISION OPTICS & ADVANCED MACHINERY
Combining Xinhongsen's 25 years of optical expertise with Huayuan Hongda's state-of-the-art manufacturing capabilities.
25 Years of Excellence inSapphire Manufacturing
Shenzhen Xinhongsen Optical Technology Co., Ltd. (Hongyuan Optics) stands at the forefront of the watch glass industry. Since our establishment in 2009, we have evolved from a raw material processor to a full-service optical solution provider.
We don't just cut glass; we engineer durability. Our proprietary processes achieve hardness levels up to HV1800, ensuring our sapphire crystals withstand the most extreme conditions—from deep-sea diving to daily wear.
- ISO 9001 Certified
- No MOQ (Flexible Order)
- Global Export (50+ Regions)
- 3-Year Structural Warranty
Premium Sapphire Product Lines
From classic flat crystals to complex bespoke shapes. Fully customizable dimensions, coatings, and edge profiles.
Flat Sapphire Glass
Round, square, and custom profiles. High precision with transmittance >90%.
- Luxury Watch Faces
- Hardness HV700-HV1800
Dome & Curved Glass
Single dome, double dome, and convex crystals. Ideal for dive and retro watches.
- Enhanced Water Resistance
- Vintage Aesthetics
Shaped & Irregular Glass
Bridge shaped, pot cover glass, and complex CNC ground profiles.
- Custom ODM Design
- Unique Visual Identity
Sapphire Windows
High-durability windows for protective covers and industrial sensors.
- Extreme Heat Resistance
- Optical Grade Clarity
Custom Ruby Components
Precision ruby bearings and decorative elements for high-end watch movements.
- Low Friction Coefficient
- Wear Resistant
Sapphire Rods & Tubes
Micro and tapered rods for intricate mechanisms, medical devices, and optics.
- Micrometer Tolerances
- Chemically Inert
AR Coatings
Anti-reflective coatings (Clear, Blue, Gold) to eliminate glare and improve legibility.
- Transmittance > 98%
- Anti-Fingerprint Option
Electroplating
Surface enhancements for bezel inserts and decorative glass using PVD technology.
- Gold / Rose Gold / Black
- High Adhesion Durability
Silk Screen Printing
Multi-color printing for logos, indices, and specialized markers on glass or dials.
- High Resolution
- Multi-Layer Capability
Manufacturing Expertise
Our 5-step rigorous quality control system ensures perfection.
Material Sourcing
Imported high-purity synthetic sapphire from Switzerland & Russia.
CNC Precision
Automated grinding and cutting for complex geometries.
Coating & Polishing
AR (Anti-Reflective), AF (Anti-Fingerprint), and chemical polishing.
Final QC
100% Visual inspection, Drop tests, and Hardness verification.
Response within 24 Hours | Free Engineering Consultation
ADVANCED POLISHING
SOLUTIONS
Specializing in high-precision grinding and polishing equipment for Watch Cases, Jewelry, and Precision Hardware. We build the machines that create the perfect mirror finish.
Watch Cases
Jewelry
Hardware
The Machinery Behind The Shine
Shenzhen Huayuan Hongda Machinery (HYHD) is not just a machinery manufacturer; we are surface treatment integration specialists. Born from the rigorous demands of the watchmaking industry, we understand that a perfect finish defines product value.
With over 15 years of experience, we design and manufacture automated polishing lines, CNC grinding centers, and deburring machines. Our equipment is engineered to handle tough materials like Stainless Steel (316L), Titanium, Copper, and Precious Metals, delivering consistent Ra surface roughness standards.
15+
Years R&D Experience
500+
Production Lines Built
Precision Control
Automated pressure control for consistent polishing depth.
Automation
Reducing labor costs with fully automated loading systems.
Engineered for Five-Star Finishes
Multi-Station Rotary Polisher
Designed for high-volume watch case and round hardware polishing. Features 6-12 stations for simultaneous rough to fine finishing.
- Application: Watch Cases, Bezels
- Features: Auto-waxing, Dust Extraction
Precision Flat Lapping Machine
Achieves perfect flatness and mirror finish on phone accessories, sapphire glass, and hardware plates.
- Application: Phone Frames, Glass, Metal Plates
- Tolerance: Flatness within 0.002mm
Magnetic & Vibratory Tumblers
Ideal for intricate jewelry parts. Removes burrs and oxidization from recesses without damaging details.
- Application: Gold/Silver Rings, Chains, Pendants
- Capacity: Batch processing 1kg - 50kg
Engineering Insights & Product Showcase
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