The First Tower Pyeongtaek B411F


The core of Son Micro System is values and beliefs.


We have the pleasure to society and family,
pursue companies that satisfy ourselves.

Core Value

  • We realize customers impression with the best product development and service with customer’s eye level.
  • We cultivate talented people who respect diversity and create value.
  • Smart and creative testing technology, high quality, global competitiveness to lead a better life, the future.
  • Best TeamWork.

Semiconductor / Display Test Solution Company



about us

SonMicroSystem supplies products not only to domestic but also to foreign countries with constant technology development and challenge.

In addition, we are expanding our business scope to PCB hardware design and vision system field and supplying to domestic and foreign companies. We will respond to customer needs efficiently and rapidly in accordance with rapidly changing market environment and will always try to work with customers.

Sonmicrosystem established in 1998

[Our Developments]

  • Semiconductor Regulator Tester.
  • Optical Pick-up tester.
  • LD/DVD Driver Tester.
  • LED/OLED Tester.
  • DSP Development for Semiconductor Memory.
  • Mobile Phone Voice Tester.


Moved Our Office to An-sung area.

Supplier registration for Samsung Electronics in 2013.

Award Minister(Ministry of SMEs and Startups) Prize in 2018.

About Us.

December 1, 1998

손내근(NK Son)

Manufacturing, Wholesale and Retail, Service

Semiconductor / OLED inspection equipment



Our Daily Life With Nature.