1.70 High Index Optical Lens Manufacturers in China

1) Reflective Index :1.49/1.56/1.59/1.60/1.67/1.70/1.74

2) Diametro : 55mm/60mm / 65mm / 70mm/75mm/80mm

3) Abbe Value : 32-47

4) Transmission : over the 98%

5) Abrasion Resistance : 6/8H

6) RivestimentoS: Nessuno ; Anti-Scratch(HC) ; Anti-Reflective Coating (HMC) ;

Super Hydrophobic Coating,Blue Cut.

7) Potenza : SPH 0.00 ~ -15.00 ,SPH 0.00- +8.00 CYL 0.00 ~ -2.00

Danyang Youli Optical Co.,Ltd is a professional optical lenses manufacturer and supplier which established in 2003 in Danyang City,Cina.

I nostri prodotti principali: Index 1.49,1.50,1.56,1.60,1.67,1.74 ecc, Aspheric,progressive(Long corridor/short corridor),Bifocal(round top/flat top),Poly carbonate(PC),Tinted,Photo chromic, Photochromic progressive, Polarized, RX(high power) with coating UC,HC,HMC,EMI,UV400,anti glare, anti reflection, anti scratch, blue cut, mirror coating and so on. In addition ,we have introduced the ERP,OA system to serve customers quickly and thoroughly.

Nel frattempo ,we have passed the ISO 9001,and we have registered with FDA in USA,as well ,we gained certificate of CE ,all those has made concrete proof that YOULI meets the safety, health, and fashion demands for the customers.

We export our products to all over the world, including Norther America,Latin America,Europa,Asia,Middle East and Australia.with high quality and competitive price,we have enjoyed high reputation from customers .YOULI has become a leading manufacturer in the optical lens market. We sincerely hope that you will join into us and grow up with YOULI OPTICAL.

Other Products We Can Supply

Coating Tech

Different coating with different performance, we have Uncoated, hard coating, A/R, M/C, SHMC, STEEL, Anti-Reflection, Blue Cut and Mirror coating. Tintied different color for sun glasses is also available.

Norma di qualità

Long Trem Relationship

We carefully understand clients’ needs with each particular case. Youli is committed to delivering maximum value to clients helping them get better vision. Our mission is to build trust with customers and confidence.

Production Guarantee

1) Free replacement for any manufacturing defects, such as manufacturing the lenses with incorrect strength, incorrect axis, errors during the handling of purchase order, eccetera.

2)100% replacement for any damages the optical lens suffered during the course of delivery.

3)For AR Coating, Youli provides:

One year warranty counting from the shipment date and under normal usage condition.

Shipment Terms

1)For small quantity, shipment is prefered to shipping with express by UPS, FEDEX ,TNT or DHL to meet your deadline on time worldwide basis.

2)For regular mass production, shipments can be arranged by sea, air, door to door, express or economy. Let us know your requirement, we’ll try to save your budget and meet deadline.

Q 1: What is the Warranty for the your lens?

A1: For the lens,noi abbiamo 2.5 a 3 years warranty.If any quality problems on our side occured in this period ,

we will take on the shipping cost and replacement.

Q2. How do you control lens quality?

A2. Producing process is in vacuum dust-free shop, like prepare material, mixed material and take out

uncoated optical lens .

Every piece lens must go through three time expericed inspectors, uc lens inspection, hc lens

ispezione, then hmc lens inspection.

Q3. How to check the durability of optical lens coating?

A3. After coating, we carry out salt water boiling experiment for optical lens.

Experiment 1: we put 4 pieces lens into 5% salt boling water for 15 minus, then, dai un'occhiata,

if no coating drop from lens, or no coating crack performance, the quality is OK.

Experiment 2: lens in 5% boliling salt water for 2 minus, cold water 1 minus, boil and cold water

volte, no coating crack, drop, then ok.

Q4. What is sample cost & sample delivery time?

A4. Sample is free, tempo di consegna:1-2 giorni.

Q5. What is the MOQ of optical lens?

A5. No MOQ for customer if optical lens is in stock.

Q6. What Certification do you have for your optical lens?

A6. FDA, CE, ISO9001 certification is available.

Q7. How about your optical lens production ability per day?

A7. Di 40000 pairs/day.