PRODUCT FEATURE SPECIFICATION Index 1.74 Material Resin Color Choice white Diameter 65mm,70mm,74mm Coating Choice UC,HC,HMC,SHMC Power Range SPH+6.00~-12.00 CYL 0.00~-2.00 Abbe Value 32 Gravity 1.36 Package white envelop Quality Grade A Certification CE/ISO9001 Lead time In 2-3 days COMPANY PROFILE FAQ Q1. How is your quality?A1. We have a very seriously control system(ERP system). We guarantee the high performance of our products. 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 inspection, 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, check, 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 times, no coating crack, drop, then ok. Q4. How about your optical lens production ability per day ?A4. . about 40000 pairs/day. Q5. How can we be your agent in our country?A5. Please inform us your detailed company, we will discuss and propose helpful suggestion for you, and to find the best solution for you. Q6. Do you offer free samples?A6. Normally we do not offer free samples, but we could properly adjust according to detailed requirement. Q7. Is there cheap shipping cost to import to our country?A7. For small order, Express will be the best, And for bulk order, sea ship way is best but take longer time. For urgent orders, we suggest via air to airport or by Express send to your door. Q8. Which Express company you send? How many days we can receive?A8. We are official partner of DHL, it will take only 3-5 days after we sent./* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Related products about in Stock High Index 1.74 Hmc Single Vision Optical Lens
-
Waste Tyre Plastic Recycling Machinery Machine Tire Crusher Production Line Rubber Crumb Grinding Machine Equipment Tire Shredder
-
Stretch Plastic Blowing Pet Bottle Making Blow Molding Machine Bottles Stretch Automatic Pet Bottle Blowing Machine
-
Waste Plastic Pet Bottle, Water Bottle Flake, PP/HDPE/LDPE PE Film Jumbo Woven Bags Plastic Crusher Machine, Plastic Crushing Washing Recycling Machine
-
Type 2 Wall-Mounted Electric Car Charging Station 7kw /11 Kwelectric Vehicle Charging Station Home Wallbox AC EV Charger Single Phase or 3three Phase
-
G-View G12W Wholesale Auto Car LED Headlight Bulb High Power H13 H11 9005 H7 H4 Car LED Headlights LED Car Lights
-
New Design Porcelain Round Plates Dinner Set for Wedding and Banquet
-
China 2023 New Design Super Soft 100% Polyester Microfiber Knitted Oversized Decoration Hoodie Blanket
-
Handmade Art Creative Materials Thickened White Paper Cup DIY Disposable Handmade Colored Paper Cup