Wan Li GD Pte Ltd was founded in 2006 by Tan Soon How, to provide customised precision optics products to customers. SoonHow has 14 years of optics experience, through his works in Leica Singapore.

In 2008, East Light Pte Ltd was established through the acquisition of a few small optics companies. This expands its capability to supply a wider range of optical components and sub-assemblies for a variety of commercial and industrial markets.

In view of the needs of mechanical parts for precision mounting and positioning of optical components, Optrotech Pte Ltd was formed. The company diversified its business into opto-mechanical assembly.

Today the company has manufacturing facilities in Singapore, China and Malaysia.


As our business evolved, we found it necessary to integrate our products and services to provide a complete engineering solution, ranging from design to manufacturing of single optical components and development of opto-mechanical assemblies.

WEO Corporation is incorporated from the three companies:

In 2013, through a new partnership,Neutech Vision Pte Ltd was formed.It specializes in the manufacturing of spectrophotometer and precision thickness measuring system; and will be focussing on the marketing of metrology equipment.




WEO Corporation is a manufacturer of High Precision Optical components and Opto-Mechanical assemblies with head office in Singapore.

Its business covers a wide range of optics industry, including scientific instrumentation, medical devices and optical imaging products. It also co-develops Optical Metrology equipment and coating machines.

The office in Singapore manages all businesses and product developments. It also provides technical support to its production facilities in China and Malaysia.

Equipped with efficient production machineries and metrology equipment, WEO is capable of supporting customers from the stage of prototyping, qualifying to volume production.

Also housed within Singapore premises is a 24/7 air-conditioned storage area, whereby we hold stock of optical components to support customer on Kanban programme, ensuring on-time delivery and ready availability to our customers.

In line with the business direction of its customers, WEO will continue to expand into new technology and business areas. It explores opportunities to invest and bring new products to meet customers’ diversified requirements.



  • To be a Global Optical OEM Advocated by Customers.
  • Build Core Competitiveness through Lean, Agile and Real-time Control.
  • WEO - World’s Excellent Model for Optical OEM.


  • Make Positive Contribution to Society.
  • Provide a Platform for Employees to develop their full potential, contributing to their Family, Company and Society.
  • An Organization that all Participants feel Proud to be Associated with.

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