







50 Years of Eyewear Manufacturing Excellence
Since 1973, Greatland has provided high-performance eyewear to global brands.
50+
2
10M+
Years of
OEM & ODM Expertise
Factories
Strategic Production
in Taiwan & China
Annual
Production Capacity
100+
New Designs
Developed Annually

Who We Are
Who We Are
Empower
Growth
The Professional Eyewear Manufacturer
in Taiwan & China
Greatland operates state-of-the-art facilities in Changhua, Taiwan and Xiamen, China. We specialize in vertical integration, providing comprehensive solutions for injection molding, metal, and acetate eyewear. Our dual-site strategy ensures supply chain stability and flexible production capacity for global clients.
Why Partner With Us
Why Partner With Us
Your Strategic Partner: 50 Years of Eyewear Innovation
From Concept to Market Leadership
With over five decades of expertise, Greatland provides a seamless 0-to-1 development journey for global brands. Whether you require bespoke OEM/ODM design or wish to select from our 100+ new annual styles for rapid market entry, our dual-site manufacturing infrastructure ensures uncompromising quality and supply chain agility as your most trusted long-term strategic partner.





We offer GRS certified recycled solutions, including rPC, rPET, and Bio Nylon. Our R&D team continuously develops Patented Polarized Lens Technology to keep your brand ahead of market trends.
Innovation & ECO Solutions
Uncompromising Quality Control
Our products meet strict FDA, CE, and ANSI standards. Each pair undergoes rigorous testing—post-production, pre-packaging, and pre-shipment—to ensure zero-defect quality.
Dedicated Global Support
From big retailers to emerging brands, we provide tailored service plans to support your success. We operate as your internal team to manage everything from design to global logistics.

Our Clients & Compliance
Our Clients & Compliance
A Trusted Partner to Global Leaders
Greatland is proud to serve 100+ global brands across North America, Europe, and Asia, maintaining a 95% client retention rate. We adhere to the highest social and security standards to protect your brand's integrity.
Quality Certifications
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cGMP (UL RCP)
Quality System

CE
Quality System

FDA
Quality System
Social & Security Compliance
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SMETA (Sedex)
Social Compliance Audit
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SCAN
Supply Chain Security