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Our R&D department developed a new design in 2010 to fulfill the needs of
spectacle users, which overcomes the problems such as breaking of glasses,
deformation, adaptation to face, skin sensitiveness, non-metal allergy, skin
damage due to quality of coating and paint. SWING brand prescription glasses and
sunglasses are produced with Tr-90 Natur technology, that bring advantages for the use of
children. SWING sunglasses are non-deformable, unbreakable, coated with organic
paint and only 3-5 grams in weight, which led its worldwide reputation as
healthy and durable spectacle... |
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