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Colourless Optical Glass

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QB NIR Cut-off Filter Glass

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HWS Chalcogenide Infrared Glass

Be regarded as the core lens for the new generation of temperature adaptive infrared optical system, HWS chalcogenide infrared glass has good transmission at mid-infrared spectrum and excellent athermal performance.

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Imaging Aspherical Lens

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Precious Metal

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  • Quality Assurance
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  • Product quality is of the essence to the existence and growth of CDGM. Over the 50 years, we have made ourselves strong enough to meet the challenge of the markets home and broad by improving internal quality management system, optimizing product structure, and expanding investment in high-tech products development. The result is the overall improvement in our company performance and management. To date, our brand name ICEBERG is drawing more and more attention and appeal form customers over the world.

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