• 2017 East Vision Expo In New York 2017-02-20 2017 East Vision Expo In New York 2017 East Vision Expo coming in this March.Yuzhou optics sale team will here waiting for you. Come to our booths LP4272Sales manager:Peter Wang, Caroline Zang, Anna Wang will take some new technology lenses show to you.Like clear lens with photochromic by coating, fast, comfortable and stable.Contact us for for new lenses sample now.info@yuzhouoptics.comWhatsapp:+86-15895320922Atten:Anna Wang
  • 2017 MIDO eyewear show 2017-02-19 2017 MIDO eyewear show Yuzhou Optics will attend MIDO Eyewear Show in this February.From 25~27thBooths Number: HALL 3 T20Our sales manager  Mr. Peter Wang, Caroline Zang, Anna Wang looking forwatd to showing you the new technology of optical lenses.See You at HALL 3 T20Contact information:info@yuzhouoptics.comPhone/Whatsapp:+86-15895320922Atten: Anna Wang
  • We come back to work from China National Day 2016-10-08 We come back to work from China National Day We will celebrate China National Day from Oct.1 to Oct.7. During this time, all the chinese people give best regards to our motherland. Have a long time to adjust working and family time.Even in these days,Yuzhou optics workshop are run for clients orders. We have 3 production line and 5 workshop for non-coated lens, hard coating lens, multi-coated lens, packing ,inspection,moulding workshop. And ...
  • Welcome to our booth in Vision-X Dubai 2016-06-09 Welcome to our booth in Vision-X Dubai From 25.-27. October 2016, Our Team, Yuzhou Optics Sales Manager, Peter Wang, Anna Wang, Caroline Zang will go to Vision-X optistyle Dubai.The Vision-X Dubai is tha largest and most established optics exhibition and conference in Middle East area.We,Yuzhou Optics will launch our newest technology and lenses in Dubai.Blue Light Cut Lens cover index, 1.50,1.56,1.60 and so on.Welcome to our booths, a...

Inspection Standard

Quality Inspection
IndexInspection ItemNote
1Vertex PowerChecked Every Batch
2Cylindrical Axial ViewOnly for bifocal and multi-focal lens
3Optical Center and Prism DegreeChecked Every Batch
4Cosmetic InspectionChecked Every Batch
5ThicknessChecked Every Batch
6DiameterChecked Every Batch
7Refractive IndexChecked Monthly
8Abbe NumberChecked Monthly
9UV resistanceChecked Monthly
10Visible Light TransmittanceChecked Monthly
11Abrasive ResistanceChecked Monthly
12Yellowness IndexChecked Monthly
13Fire ResistanceChecked Monthly
14Shock ResistanceOptional Test Item, Specified by Customer

Cosmetic Inspection Zone

Each lens is divided into 3 zones as shown the master plate. We will check the Scratch, Dots, Bubbles, Inclusions, Chips on each zone, and devide the lens to A, B ,C grad. The master plate is only a recommendation by Yuzhou inspector, if you want to know more about our inspection standard, contact us now :info@yuzhouoptics.com