◆ Introduction ◆

1) Woo Jeong Industrial Inc. is leader in technologies and product relating to    themochromic   dye, ink, pigment named WJC Thermozol.

2) We are flexible hi-tech company with the technologies, personnel,and facilities to provide a wide range of speciallzed services our customers.

 3) These dyes and inks charge colors or disappear when exceed a

   certain terperature, then change back when the temperature decreases

   to below that same activation temperature.

 4) They are all offered in five standard activation temperature

 5℃  -  15℃  -  25℃  -  35℃  -  45Other custom temperatures are avallable from -5℃ to 70℃ at an additional change

   * MTO-Grade : Reversible  MPT-Grade : Irreversible

5) If one of our existing products does not suit your needs, we are

   eager to discuss working with you on a custom project where we

   can be involved in any phases you choose from research and

   development through final product manufacturing.