The Specialty Lubricant is future industry. We, CHANG AM people, are composed of qualified and creative workers who do their best to give lots of satisfaction and pleasure to our customers through researches and developments for lubricating technology. At November 11, 1980, CALS CORPORATION was established by just 5members, as a small company. We have expanded and succeeded in lubrication business ceaselessly over twenty years. Now we are advancing toward the prime company in Korea market producing about 300 kinds of specialty lubricants from our own factory. CALS CORPORATION is … 1. cultivating the competent and qualified staffs. 2. stepping up to the customers with new technical development. 3. concerning for the protection of natural environment. In Specialty Lubricant Industry, we are the exporter to 15 countries, including the USA, Japan, U.K., China, Indonesia, etc. as well as the leader of domestic market. Also, our new items by the improved technology will make our prospect bright. We'll always rush and go to stand the prime company in global market and we do our best to study and make the best products which our customers are fully satisfied.