Jiangsu Dongbao Optical Co Ltd
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PC Bifocal Lens
Brand:
Dongbao
Size:
65, 73mm
Port:
Shanghai
Type of Payment:
T/T
Description
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Description
Internal stress free:
- After several years' researches and tests, Dongbao optical has developed internal-stress-free PC lenses which eliminates the "rainbow effect"in the essential lens area (from optical center to 2.5-5.0cm from the edge). It effectively avoid headache, eye swollen pain and fatigue of the eyeglasses wearer resulting there from.
- We introduced a new hard coating technology which makes lenses to resist outside scratches and impacts in a long term. It effectively reduce the probability of wear and tear and keeps lenses clear.
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Supplier info last updated: 1 Sep 2020
Advertise since: 1 Sep 2007
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