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| Refractive index | Diameter | Monomer | Transmission |
| 1.591 | 65/70 | Polycarbonate | 98%~99% |
| Abbe value | Specific gravity | Coating | Guarantee |
| 30.5 | 1.20 | HMC EMI | 3-5 years |
| Coating color | Power range | ||
| Green | SPH: +6.00 ~ -10.00 CYL: 0.00 ~ -2.00 | ||
Jiangsu SIGO (XinShiKe) Optical Co., Ltd., known abroad as Sigo +, relies on its research and development capabilities to maximize its products, serve them attentively, and attract customers by quality, and has accumulated more than 100 million service users worldwide.
In 2019, SIGO Optical officially launched the domestic market. The company produces 35 million high-end spectacle lenses per year. Its products are distributed in nearly 100 countries and regions on five continents. It has made achievements in functional spectacle lenses such as high-definition lenses, discoloration lenses, space lenses, anti-blue light, and anti-red light.
The company has International advanced equipment. In addition, the company has a professional R & D and production team, independently developed progressive multi-focus, full-focus, pressure reducing film, bi-non, PC, dual light, prism and other molds research and development and production, and has obtained 5 invention patents in product development . The company's excellent product quality has not only passed the ISO9001 quality pipe system certification and ISO environmental management system certification, but the product has also obtained EU CE and other international authoritative certifications.
| Envelope | Carton | size |
| White Envelope | Stand Export Carton | 38cm*48cm*35cm |
| Type | Lenses Pair | Weight |
| Finished lens | about 500 pairs | 21KGS |
| Semi-finished lens | Labout 100 pairs | 15KGS |
| Lead time | Depend on the quantity | |
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