| Payment Terms︰ | T/T |
| Minimum Order︰ | 500 pair |
| Packing︰ | Carton |
| Lead Time︰ | 15days |
| Standards Certificate︰ | CE,FDA |
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Features: 1) ND: 1.499 2) Diameter: 70mm 3) Seg.: 28mm 4) Base: 200B, 400B, 600B, 800B 5) ADD: +1.00 to +3.00 6) Central thickness: 7.0-8.9mm
Types: 1) Semi-finished ST28 bifocal lenses 2) Semi-finished ST28, ST25 and ST32 blended lenses 3) Semi-finished ST28 and ST24 round top bifocal lenses
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