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Changzhou Haolilai Photo-Electricity Scientific and Technical Co., Ltd.

Founded in 1998, HLL is China Sapphire Optical Window Manufacturers and Quartz Optical Window suppliers, located in the national-level High-tech Development District, Changzhou, Jiangsu, China. It’s neighboring Shanghai-Nanjing Expressway on the north, Changzhou high-speed railway station on the east, Changzhou Airport on the west. HLL covers an area of 35,000m² and has passed the system certification such as ISO9001:2015, ISO14001:2015, and IATF16949.
As a High-Tech enterprise in Jiangsu province, HLL boasts a talented team with intensive experience and professional technology. HLL has established Jiangsu Precision Optical Lens Engineering Technology Center and Jiangsu Enterprise Technology Research Center and obtained multiple patents for inventions, multiple utility model patents and multiple Jiangsu High New Tech Products.
HLL mainly develops and produces various precision optical components. Focus on laser optics, auto optics, the semiconductor industry and consumer optics. HLL will strive to become a benchmark in China's optical industry.

Certificate & Honor
  • SGS
  • ISO
  • Certificate of High tech Enterprise
  • Specialized, Refined, And Innovative Small and Medium-Sized Enterprises
  • Specialized, Refined, And Innovative Small and Medium-Sized Enterprises
  • Patent for Invention
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
  • Utility Model Patent Certificate
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Optical Window Industry knowledge

What is the secret behind the crystal clear charm of sapphire optical window?

In the world of optics, one material shines above the rest - sapphire. Have you ever wondered why sapphire optical window is so highly regarded in various industries? 

Sapphire, with its remarkable hardness and transparency, is a gemstone that has been treasured for centuries. When transformed into optical windows, sapphire exhibits exceptional optical properties that make it ideal for a wide range of applications. From high-powered lasers to medical devices, sapphire optical windows play a crucial role in ensuring precision and clarity in optical systems. The image below showcases the pristine clarity of a sapphire optical window, highlighting its superiority over other materials.

One of the key reasons behind the popularity of sapphire optical windows is their durability. Sapphire is second only to diamond in terms of hardness, making it highly resistant to scratches and abrasions. This durability ensures that sapphire optical windows can maintain their optical clarity even in harsh environments. Whether it's in aerospace applications facing extreme temperatures or underwater cameras exploring the depths of the ocean, sapphire optical window provide unmatched reliability. The image below illustrates the resilience of a sapphire optical window, symbolizing its ability to withstand challenging conditions.

Beyond its durability, sapphire also boasts excellent thermal and chemical resistance. This unique combination of properties makes sapphire optical windows the top choice for applications where reliability is paramount. The ability of sapphire to transmit light across a broad spectrum, from ultraviolet to infrared, further enhances its versatility in optical systems. Whether it's in scientific research, defense technologies, or industrial processes, sapphire optical windows continue to push the boundaries of what is possible in the world of optics. The image below depicts the versatility of sapphire optical windows in different applications, highlighting their widespread use across various industries.

The magic of sapphire optical windows lies in their unparalleled combination of clarity, durability, and versatility. As the demand for high-performance optical components continues to rise, sapphire optical windows stand out as a shining example of innovation and excellence in the field of optics. Whether you're exploring the cosmos with a telescope or undergoing laser surgery, chances are sapphire optical windows are playing a crucial role behind the scenes. So, the next time you gaze through a crystal-clear lens, remember the hidden gem that is sapphire optical windows.