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Hangzhou Gioever Optical Co., Ltd., a subsidiary of Hangzhou Bluebird Trading Co., is located in Hangzhou, the world famous tourist city in China.
We involve in several production bases by means of investment or cooperation in Jiangsu and Zhejiang provinces for production of optical lenses, eyewear cases, frames, reading glasses, components, equipment and devices for opticians. 10-20 sales persons are employed in our sales department in Hangzhou. |
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 Super Impact Resistance
Polycarbonate lenses are among the most impact resistant lenses available today. It is up to 60 times stronger than glass and up to 10 times stronger than hard resin lenses. Polycarbonate is the only high-index lens material that can be surfaced to a 1.0mm center thickness and still pass the FDA drop-ball test. So it is ideal for all customers, esp. childern, students, and sports enthusiast.
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 Photochromic lenses are lenses that darken on exposure to UV radiation. It's a good choice in hot summers. Now we offer plastic 1.56 photochromic lenses in 7 different colors (brown, grey, green, orange, pink, purple and blue), as well as tranditional mineral PBX® PGX® lenses from Corning®1blanks.
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