| Place of Origin | Guangdong, China |
| Brand Name | Tongyi |
| Model Number | TY-4012 |
| Lenses Material | Polycarbonate |
| Vision Effect | Single Vision |
| Coating | EMI |
| Lenses Color | Grey |
Injection Polycarbonate Polarized lens
Diameter: 75/80mm
Base: 6/8
Color: Brown, Grey and G15
Coating: HMC+EMI+Hdryophobic
Center thickness: 1.8, 2.0, 2.2mm
1.59 PC (Polycarbonate) lens S.V
CR39 Flat Top Bifocal Lenses
1.56 UV400 lens
1.56 photochromic lens
1.56 Single Vision Photochromic Optical Lens
1.499 Progressive free form lens
Premium Quality 1.591 Polycarbonate Clear Lenses
Semi Finished Polycarbonate Blue Light UV420 Photogrey Lenses
Semi Finished Polycarbonate Blue Cut UV420 Photogrey Lenses
Semi Finished Single Vision Polycarbonate Photogrey Lenses