Seeking after mentioned subjects as Humanism of Hanbo Chemical Engineering since 20 more years ago. We were incorporated in 1982 and have been participating positively into Government G7-Project. We had interested in energy saving, the heavy and chemical industry field, prevention for air and water pollution & etc. We have cooperated with KRICT and KAIST. In consequence of joint research and development for several years, we developed the new products of treatment for surface of metal.