Jiangsu Profile
Product List
4396. Cr39 Flat Top Bifocal Hc 70/28mm Optical Lens 
[Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
4397. Cr39 D Top Flat Top Bifocal UC 70/28mm Optical Lens [Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
4398. Cr39/1.56/PC/1.60/1.67/1.74 Freeform Rx Progressive Lens [Sep 10, 2025]
[Sep 10, 2025] Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc Classification: Lenses can ...
Company: Danyang Boris Optical Co., Ltd.
4399. Cr39 1.499 D Top Flat Top Bifocal UC 70/28mm Optical Lens [Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
4400. Cr39 1.499 Blended Invisible Bifocal UC 70/28mm Optical Lens [Sep 10, 2025]
[Sep 10, 2025] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
4401. Manufacturer 1.56 Progressive Multifocal Hmc Optical Lens Danyang [Sep 10, 2025]
[Sep 10, 2025] BORIS OPTICAL is one of the most Potential Finished and Semi-Finished Optical Lenses factory located in Danyang City, China. It was establish in 2012 with covering 20000 spm and 150 employees. The annual production ...
Company: Danyang Boris Optical Co., Ltd.
4402. Tetraethoxysilane-40 CAS No.11099-06-2 Used in natural stone or other building materials [Jan 24, 2024]
[Jan 24, 2024] Application Siwin-TEOS40 silane can be used alone, diluted, or used as a component of formulated products. Used in natural stone or other building materials, it can form silica sol similar to inorganic substance ...
Company: Nanjing Siwin New Material Co., Ltd.
4403. 80W CO2 Laser Marking Engraving Machine [Sep 28, 2020]
[Sep 28, 2020] CE ROHS ISO laser marking machine factory! CO2 laser marking machine for nonmetals KT-LC80,80W glass laser tube,with laptop KT-LC is a low-power CO2 Laser Marking machine that enables marking on non-metal ...
4404. China 1.56 1.61 1.67 Photochromic Spin Coating Grey Hmc Lens [Sep 10, 2025]
[Sep 10, 2025] FAQ 1. Could you provide samples? Of course, free samples can be sent to you, but please help us pay the freight fee. 2. What Certification do you have for your optical lens? FDA, CE, ISO9001 certification is ...
Company: Danyang Boris Optical Co., Ltd.
4405. 1.56 Bifocal Round Top Blue Block Photo Grey Pgx Hmc Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
4406. 1.56 Bifocal Round Top Blue Block Photochromic Grey Pgx Hmc Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
4407. 1.56 Bifocal Round Top Blue Cut Photo Grey Pgx Hmc Optical Lenses 70/28mm [Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
4408. Cr39/1.56/PC/1.60/1.67/1.74 Sv/Bifocal/Progressive Photochromic Rx Lens Prescription Lens [Sep 10, 2025]
[Sep 10, 2025] Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc Classification: Lenses can ...
Company: Danyang Boris Optical Co., Ltd.
4409. Doublesides of Hard Coated Pet Film Roll [Mar 15, 2025]
[Mar 15, 2025] Product Description Product characteristics High transmittance, low Newton-ring performance Abrasion resistance, anti-blocking property Less crystal points Product applications In-molding decoration(IMD) Cover ...
4410. Thr-800at Optical Lab Equipment Eyeglass Lens High Quality Automatic Lens Groover [Oct 23, 2025]
[Oct 23, 2025] Product Description THR-800AT Factory Ophthalmic Equipment Automatic Electric Lens Groover Series Product name : Lens Groover Product code : THR-800AT Gross Weight : 3kg Packing Size: 29*25*19CM Overview ...
