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COMPANY
COMPANY
We create the future that
is much better than today.
Greeting Company Outline History CI Social Contribution Location
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PRODUCT
PRODUCT
Laser Diode that is produced by superb
competitiveness & high technical skills.
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CYBER PR
CYBER PR
We will become a leading company
that grows with our customers.
What's news PR Movie About LD QSI Photo QSI Competitiveness Major Customers
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Contact US
Contact US
We promise that we will keep moving
forward to become a global leader.
- 17, Cheonheung 8gil, Sungger-eup, Seobuk-gu Cheonan-city, Chungnam-do, Korea 31044
TEL : +82-42-410-5000 | FAX : +82-41-555-5186 - Copyright (C) QSI Inc. All Right Reserved.