About FGQuartz
FGQuartz is a trusted quartz glass supplier based in Lianyungang, China. Since 2005, we have been a leading quartz glass supplier for high-tech industries worldwide. Today, we are ISO 9001 certified and trusted by over 500 clients. We specialize in high-purity, custom quartz glass solutions. From our facility in Lianyungang, Jiangsu, we deliver precision fused silica products for semiconductors, optics, and scientific research.
Your Trusted Quartz Glass Supplier Since 2005
Founded in 2005 in Lianyungang, Jiangsu Province, FGQuartz has grown into one of China’s leading quartz glass manufacturers. For two decades, we have specialized in high-precision quartz components for semiconductors, optical fiber, and scientific research. As a result, we have earned the trust of high-tech companies worldwide.
Our journey began with a mission to provide world-class quartz materials for the Chinese high-tech industry. Through continuous investment, we expanded to a 15,000 m² ISO 9001 certified facility. It is equipped with advanced fusion furnaces, CNC machining centers, and automated quality systems. In addition, we deliver everything from standard quartz glass products to fully custom-engineered solutions.
Today, FGQuartz is a trusted partner for companies in semiconductors, telecommunications, and solar energy. Furthermore, our commitment to quality has made us a reliable quartz glass supplier for the world’s most demanding applications.

Our Core Strengths
Our Journey: 20 Years of Growth
This timeline details two decades of continuous growth, innovation, and unwavering commitment to excellence in high-purity quartz glass manufacturing.
2005 – Company Founded
FGQuartz was established in Lianyungang, China. Initially, we focused on quartz tubes and basic components for the local semiconductor industry.
2008 – ISO 9001 Certification
We have achieved a purity standard of 99.99% for SiO₂. Furthermore, we have obtained ISO 9001 certification—a key milestone in our journey toward quality management.
2012 – Custom Machining Launched
We introduced CNC machining capabilities. This allowed us to produce custom quartz components, from precision-ground windows to complex multi-port assemblies.
2015 – International Expansion
We began exporting to markets in Asia, Europe, and North America. Consequently, we partnered with leading semiconductor equipment manufacturers worldwide.
2018 – Facility Upgrade
We have now completed the expansion of our modern, high-end production facility and simultaneously introduced an advanced quality control system, resulting in a substantial increase in production capacity.
2025 – 20th Anniversary
Celebrating 20 years of excellence, we continue to innovate. Today, we serve over 500 clients worldwide as a trusted quartz glass supplier.
Why Choose FGQuartz as Your Quartz Glass Supplier
Two decades of expertise, modern manufacturing, and strong commitment to quality make FGQuartz a preferred quartz glass supplier for high-purity fused silica solutions worldwide.
Partner with FGQuartz
With 20+ years of experience, ISO 9001 certification, and 99.99% SiO₂ purity standards, FGQuartz is your proven quartz glass supplier, delivering premium solutions for the world’s most demanding industries. We support both standard off-the-shelf components and fully custom-engineered parts. Our team is ready to bring your project to life — contact us today to discuss your requirements.