Regarding our performance and history on Bio industry, please refer to our company website,
www.chabio.co.kr.

We also made our efforts to bring to the world various kinds of lens applied products with our
hard earned technologies and accumulated experiences with super-wide angle lens, CCD &
CMOS camera lens, digital camera lens and mobile lens etc.

Based on the past successful business records, we have proudly launched the vehicle driving
recorders(Car Black Box) to give customers satisfaction.

We always try to do our best to build up the best optical solution as well as a bio company in
the world.

Our engineers, are anxious to help you solve problems and achieve success.
Your best choice with our co-operation can change your business to jump up with pride.

We appreciate your support. Thank you.

CHA BIO&DIOSTECH Inc.
CEO Hwang, Young-ki