CLZ Optical Co., Ltd. was founded in 2012, specializing in precision optical components for fields such as optical imaging, medical instruments, and lasers. Known for excellent quality and craftsmanship, our products have earned praise from domestic and international customers.

We follow the core principle “Precision in production, specialty in quality” and strictly adhere to ISO9001 standards. Advanced metrology tools—including ZYGO interferometers and Agilent Cary 5000 spectrophotometers—ensure every product meets customer specifications.

With strong export markets in the U.S., EU, Japan, and other developed regions, CLZ has gained the trust of global clients. Looking ahead, we will continue to increase R&D investment, advance our technology, and strive to become a first-class optical manufacturer, delivering the same high quality and service to customers worldwide.

CLZ Optical Co., Ltd. specializes in high-quality precision optical components for diverse applications including industrial lasers, medical imaging, environmental monitoring, aerospace, and R&D.

Spherical Lenses – We offer plano-convex, plano-concave, bi-convex, bi-concave, meniscus, spherical mirrors, and achromatic lenses. Custom lenses available from 10mm to 200mm diameter in various optical glass materials and coatings.

Optical Domes – Designed as protective barriers with no optical effect. Ideal for underwater cameras, submersibles, and pyrometers. Available in optical glass, fused silica, sapphire, and silicon. Support custom designs and fast production.

Optical Windows – Flat, plane-parallel plates for protecting sensors or detectors. Offered in N-BK7, H-K9L, B270, Borofloat, silicon, UV fused silica, and sapphire. Anti-reflection coatings for UV, visible, and IR. Suitable for laser systems, medical imaging, aerospace, and industrial inspection.

HRFZ-Si THz Lenses – Hemispherical lenses made from High Resistivity Float Zone Silicon for terahertz applications. Used for focusing, collimating, and modulating THz waves in wireless communications, imaging, and security detection.

Ball Lenses & Half Ball Lenses – Perfectly spherical lenses for fiber coupling, endoscopy, laser measurement, and barcode scanning. Short back focal length. Available through our new online stock for easy purchase.