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about-1

About our company

What do we do?

Hopesun Optical is a leading manufacturer and wholesaler of ophthalmic lenses based in Danyang City, Jiangsu Province, the birth place of ophthalmic lenses in China. We were established in the year 2005 as a wholesaler with a view to supplying the global markets with a wide range of high quality ophthalmic lenses but at the best prices.

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  • Service

    Service

    Whether it is pre-sales or after-sales, we will provide you with the best service to let you know and use our products more quickly.

  • Technology

    Technology

    We persist in qualities of products and control strictly the producing processes, committed to the manufacture of all types.

  • Excellent quality

    Excellent quality

    The company specializes in producing high-performance equipment, strong technical force, strong development capabilities, good technical services.

Latest information

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Danyang Hopesun Optical Co., Ltd.

What is a photochromic lens?

01, what is photochromic lens? Color-changing lenses (photochromic lenses) are lenses that change color in response to changes in UV intensity and temperature. Color-changing lenses are made by adding different photosensitizers (such as silver halide, silver barium acid,...

How to check whether the blue light blocking lens is really blue light blocking?

The editor replied: Could it be the problem of the test pen? There are three ways to identify whether a blue light blocking lens has the function of blue light blocking: (1) Test method of spectrophotometer. This is a laboratory method, the equipment is expensive, heavy,...