Beyond the Lens Exploring the Frontiers of Technology
With high-quality optics and precision engineering, we empower the visionaries of tomorrow to explore new frontiers and unlock the full potential of technology.
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With high-quality optics and precision engineering, we empower the visionaries of tomorrow to explore new frontiers and unlock the full potential of technology.
Crafting Optics with Precision
With meticulous attention to detail and advanced technology, we deliver positive performance and reliability. Experience the difference with our precision optics, where quality reigns paramount.
Founded in 1998, HLL is a leading optical components manufacturer and factory located in the national-level High-tech Development District, Changzhou, Jiangsu, China. Strategically positioned near the Shanghai-Nanjing Expressway, Changzhou high-speed railway station, and Changzhou Airport, we ensure seamless logistics and global accessibility.
Our 35,000m² facility is certified under ISO9001:2015, ISO14001:2015, and IATF16949, reflecting our commitment to quality, environmental responsibility, and automotive industry standards.
Learn More About Our Factory & History
With advanced machining equipment and technology, we realize high-precision machining of optical devices to meet exact customer design requirements and specifications.
We process various optical materials including sapphire, optical glass, quartz, and more to meet diverse application needs across industries.
Professional surface treatments including grinding, polishing, silk-screen printing, ink coating, and optical coating for superior performance.
Flexible batch customization to deliver personalized solutions that meet specific technical and volume requirements.
Strict quality control and inspection processes ensure every optical component meets the highest standards before shipment.
Home to the Jiangsu Province Precision Optical Lens Engineering Technology Research Center, with multiple patents developed in collaboration with academic and industrial partners.
High-precision flat mirrors with excellent surface flatness and reflectivity, ideal for laser and imaging systems.
Durable optical windows with high transmission and resistance to environmental factors, used in sensors and protective enclosures.
Precision reflectors designed for optimal light redirection in automotive and industrial applications.
Bandpass, neutral density, and color filters with precise spectral characteristics for imaging and sensing.
Sapphire, glass, and semiconductor wafers processed to tight tolerances for electronics and optoelectronics.
Custom structural glass components for dashboards, displays, and ambient lighting systems in modern vehicles.
Precision prisms for beam steering, dispersion, and imaging in scientific and industrial systems.
Concave and convex spherical mirrors with high surface accuracy for focusing and collimating applications.
Custom lenses including plano-convex, doublet, and aspheric designs for imaging, laser, and consumer electronics.
Our optical windows, glass wafers, spherical mirrors, lenses, and prisms are widely used in watch faces, mobile phone cameras, AR & VR glasses, lens protection windows, and sensor window substrates. We support innovation in wearable tech and smart devices with high-reliability components.
We provide advanced optical windows, reflectors, and structural glass components for automotive interior systems, including digital dashboards, head-up displays (HUD), ambient lighting, and driver monitoring systems. Our solutions meet stringent automotive safety and durability standards.
High-damage-threshold mirrors, lenses, and windows designed for industrial, medical, and scientific laser systems. Our components ensure beam stability, precision, and long-term performance under high-power conditions.
Ultra-precise wafers, masks, and inspection windows used in semiconductor manufacturing and metrology. We support lithography, inspection, and packaging processes with contamination-free, high-purity optical materials.
Your suggestions and questions are highly valued by us. Simply share your needs — we'll handle the rest.
No.10 Wangcai Road, Luoxi Town, Xinbei District, Changzhou, Jiangsu, China.
+86-519-83200018
[email protected]
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