-
COMPANY
COMPANY
We create the future that is
much better than today.
Greeting Company Outline History CI Social Contribution Location
-
PRODUCT
PRODUCT
Laser Diode that is produced by superb
competitiveness & high technical skills.
Red laser diode Infra Red laser diode Certification Epi wafer
-
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 Global Customers
-
Contact US
Contact US
We will grow in becoming a leading enterprise
that is recognized world-wide.
-
Product
Let us introduce Laser Diode products produced by superb competitiveness & continuous growth.
-
Location
Directions to QSI
-
Social Contribution
Through volunteering work activities, we fulfill the sharing spirit with the local community
-
Contact Us
Creative & passionate, we work with talented people that have dreams.
- 17, Cheonheung 8gil, Sungger-eup, Seobuk-gu Cheonan-city, Chungnam-do, Korea 31044
TEL (Sales) : +82-42-410-5055 | TEL (IR) : +82-42-410-5010 | FAX : +82-41-555-5186 - Copyright (C) QSI Inc. All Right Reserved.