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shuangyang district,Changchun,Jilin,China China
Persona de contacto Mr. Fisher Guo
Dirección shuangyang district, Changchun, Jilin
Specifications? 1. Coating on the lenses designed to reduce the reflection 2. High quality optical glasses,
Cylindrical lenses can be used to correct ocular astigmatism;they can also potentially be used in solar water
An aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a
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