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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.
Red laser diode Infra Red laser diode Certification Epi wafer
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CYBER PR
CYBER PR
We will become a leading company
that grows with our customers.
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Contact US
Contact US
We will grow in becoming a leading enterprise
that is recognized world-wide.
Global Customers
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- 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.