David Li

Mr. David Li, Manager, with over 16 years of experience in eyewear testing industry. Technical accessor of China National Accreditation Service. Trainer on Eyewear International Standards to Eyewear manufacturers.

Recent Posts

The Building Blocks Of an Eyewear Supply Chain Designed for China

Posted by David Li on 27 March 2019

The eyewear supply chain in China is a bit of an enigma and greatly misunderstood. More often than not we don’t consider the intricate networks involved to manufacture eyewear. You need to understand that Manufacturers have suppliers, and those suppliers have sub-suppliers. If you want control the quality and pricing of your eyewear, you need to understand the nature of an eyewear supply chain in China and how you can manage it better.

Topics: Eyewear Supply Chain Design

Your Complete Guide to MIDO (+ Detailed Milan Travel Guide)

Posted by David Li on 21 January 2019

Mido 2018 was a record-breaking event with the highest number of eyewear professionals ever attending a show of it’s kind, 49,000! This year’s show is looking to break that record again with an attendance of 58,000 expected. PEL brings you the complete 2019 MIDO guide, all the information you need in one place!

Restricted & Toxic Substance List in Eyewear - Hidden Dangers (RSL)

Posted by David Li on 28 November 2018

PEL General Manager Zenobia Chan had the privilege of presenting on Restricted and Toxic substances in eyewear at this year’s Hong Kong Optical Fair. In her presentation, she highlights the hidden dangers of RSL and how it affects each and everyone in the grand scheme of the eyewear trade, and how you can manage your RSL.

Quality Eyewear "Made in China" Not a Myth - Eyewear Insight 

Posted by David Li on 16 March 2018

Eyewear, like everything manufactured in China, has a bad “Made in China” stigma attached to it. There are thousands of people online that are quick to knock China for “bad quality” and “cheaply produced” products. However, is a product manufactured in a different country then by definition better? Of course not! As an independent testing lab in China here's a bit of our eyewear insight. 

Topics: Eyewear insight

3 PPE Eyewear Tests You Should Know - EN 166

Posted by David Li on 27 February 2018


Protective eyewear sold throughout the world must comply with specific standards, in this blog we’ll be looking at the EN 166:2001 standard. What are the processes and requirements of EN 166:2001 and what standards apply depending on the application.

This is How You Can Avoid Lousy Eyewear Manufacturing (2019)

Posted by David Li on 24 January 2018

Competition in the eyewear trade is fierce. Nobody can survive with substandard products. Take a look at the facts, and what  steps you can take to ensure your clients receive top-quality eyewear.

Topics: Eyewear Manufacturing

How Safe Are the Safety Glasses You’re Putting On the Market?

Posted by David Li on 22 December 2017

Would you risk the safety of your or your families’ eyesight? Probably not! Safety glasses can mean the difference between losing one's eyesight or clear vision for the rest of your life. If you wouldn’t risk your eyesight, why would you risk your clients’? You MUST be 100% sure that the PPE safety glasses you put on the market do exactly what they’re supposed to, read on to find out how.