From Pure Crystal to Global Precision:

30 years Shaping the Future of Optics

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Green Manufacturing, Sustainable Future:

Full-Coverage Rooftop Solar Grids at Our Heyuan Base

At Sun Yin Crystal, we believe the creation of top-tier sapphire materials stems not only from precision manufacturing, but also from a long-term commitment to the environment. Located at our production base in Heyuan, Guangdong Province, we have fully installed high-efficiency rooftop solar photovoltaic systems across every single building within the factory premises. Through this comprehensive green infrastructure, the facility achieves an annual power generation of approximately 2 million kWh, all of which is directly fed into our core Kyropoulos sapphire crystal growth process. Based on standard estimates, this initiative is equivalent to reducing approximately 10,400 metric tons of carbon dioxide emissions annually. From source-level green energy supply to rigorous vertically integrated manufacturing, we are actively driving low-carbon industrialization and delivering sapphire solutions that combine uncompromising quality with sustainable value for global clients.

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Our Products

藍寶石 Sapphire Crystal
Watch Glass
Smart Wearable Materials(Sapphire)
Smart Wearable Materials(Ceramic)
Automotive & LiDAR
Medical Cosmetic – Medical & Laser Light Guides
藍寶石 Sapphire Crystal
Raw Material

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    Trusted by Global Brands on the World Stage

    Global Source Oct 2026

    Date: 11-14 Oct 2026

    Location: Asia World-Expo Hong Kong

    Booth Number: 11M09

    Trusted by Global Brands on the World Stage

    2026 HKTDC Hong Kong Watch & Clock Fair

    Date: 01-05 Sep 2026

    Location: Hong Kong Convention and Exhibition Centre

    Booth Number: 1B-D10

    第31屆深圳手錶周暨2026穿戴創新展

    Trusted by Global Brands on the World Stage

    第31屆深圳手錶周暨2026穿戴創新展

    Date: 26-28 Jun 2026

    Location: Shenzhen World Exhibition & Convention Center

    Booth Number: K-02-2

    Trusted by Global Brands on the World Stage

    HKTDC Hong Kong Electronics Fair (Spring Edition) 2026

    Date: 13-16 April 2026

    Location: Hong Kong Convention and Exhibition Centre

    Booth Number: 5E – A10

    Trusted by Global Brands on the World Stage

    INHORGENTA MUNICH 2026

    Date: 20-23 February 2026

    Location: Messe Munchen , GmbH

    Booth Number: A1, 135