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الشخص الذي يمكن الاتصال به Mr. ChunSheng
No.286 Torch Road, Changchun, Jilin
Supply kinds of Plano convex Ge-lens, Bi-convex Ge-lens, Plano concave Ge-lens, Bi-concave Ge-lens according to custom design. Material: Ge(Germanium) Radius: /*0mm **- /***0mm Diameter: *0mm **- *0mm Surface accuracy: lambda/**- 2 lambda Surface quality: ****0 Centration: <3\&#**9; Clear Aperture: >*0% Chamfer: 0.2×*5° Coating: custom design
