CAMBRIDGE FILTER KOREA, CO.,LTD.(C.F.K) was jointly created in 1985 by DAESUNG and Cambridge Filter Japan , Ltd., the leader in the world market for specialty air filter used in manufacturing semiconductor chips, which requires the latest technology, and industrial filters used in pharmaceutical firms, hospitals and commercial buildings.

With the establishment of a large plant in ochang science industrial complex, it produces a variety of filters, such as ULPA, HEPA, MEDIUM, THIN-LINE, COMPUTER FILTER, PRE and special filters for industrial use. As the HIGH-TECH. industry is growing, demand for these product is also increasing.

Also it has localized raw materials previously dependent upon imports, and has developed its own know-how for filter manufacture, using the computer. Since 1989, it has produced the first computer filter in Korea, jointly developed with its overseas partner, and widely recognized within and without the Korean market.
It is playing key role as a base for domestic high-tech. industry development through its efforts in replacement and quality improvement.