Empowering innovation with
precision engineered

Optec Technology Limited (Kam Yuen Group) won Equipment and Machinery Design Certificate of Merit by Hong Kong Awards for Industries         

Optec Technology Limited (Kam Yuen Group) won the Equipment and Machinery Design Certificate of Merit​ by 2021-2022 Hong Kong Awards for Industries. The innovation and competitiveness of the Self-developed Optical Fibre Routing Machine with Automatic Polarity Guide have been recognized.

The machine consists of various programmable processing units, data analysis and computer vision systems, which made significant improvement in efficiency and quality to meet the increasing demand of optical cross-connect system.

For details, please refer to following link: https://www.tid.gov.hk/hkindustryaward/english/winners/2021-22.html#c2



Kam Yuen earns Fortive’s Best Supplier Award

Kam Yuen, an industrial conglomerate with over 50 years’ establishment in precision engineering manufacturing business, is proud to announce that it has earned Fortive’s Best Supplier Award for its outstanding performance as a long-time partner. Read more...


Kam Yuen Unveils New Manufacturing Plant in Thailand

Kam Yuen is expanding its manufacturing footprint by opening a new plant in Ayutthaya Hi-Tech Industrial Estate, Thailand in Q3 2021. The Thailand site will complement Kam Yuen’s existing manufacturing capacities in China. Read more...

Kam Yuen precision mechanical product offerings helping combat the spread and speed the elimination of the COVID-19 virus worldwide.

Kam Yuen Precision Technologies’ precision mechanical processes, rapid response times, quick sample turnarounds, and nearly immediate transitions to high-volume production of components needed to support the medical industry’s fight against the pandemic helping to fuel substantial growth for the company in the face of COVID-19. Our long-standing experience and expertise in precision CNC manufacturing has put our products into government-grade ventilators, infrared temperature sensors, and all sorts of other medical equipment around the world.

We can help you! Wherever you are, we are here for you!!

Contact us for more information

We are particularly strong in

High quantity simple precision parts
Intricate mechanical assemblies
Highly complex machined parts with three dimensional contours
Extreme shapes and geometries with very tight tolerances

High grade
precision components
made right here

Serving innovative brands in these sectors

We deliver precision engineering advantages with

  • Competitive cost

  • Extreme quality

  • End-to-end in-house production

  • Certified full compliance with EU/US standards

Learn more about the R&D advantages we offer

Wearables and timepieces

Wearables and timepieces



Fiber optic components

Fiber optic components

Medical instruments and devices

Medical instruments and devices

Consumer electronics products

Consumer electronics products

All the flexibility,
efficiency and
capacity you need

  • Engineer/innovator-led management

  • End-to-end process transparency

  • Equipped for aluminum, copper, steel, titanium, composites

  • High precision quality control approach

  • High security factories in Shenzhen and Zhongshan China

  • Sales/support offices in USA and Europe

  • Headquartered in Hong Kong

Talk to us about your needs. We’ll develop a customized approach to manufacturing that gives you the competitive efficiency necessary for success.


Check out the R&D advantages you get from Kam Yuen >

End-to-end production

Primary process


Secondary process


Pre-finishing process


Washing process


Finishing process