DM Puretech Co., Ltd. specialiizes in the business of water treatment, including systems for treating industrial wastewater, portable water manufacturing, and water recycling. The company supplies on an OEM basis to customers that include W , K, J and C.

DM Puretech Co., Ltd. supplies portable water systems to schools and hospitals, and water systems to the semiconductor, pharmaceutical, and chemical industries. Using reverse-osmosis membrane and sterilization technology, the company has developed purifying systems for the atmosphere as well as water facilities.

Established in 2001, DM Puretech Co., Ltd. is a privately owned company with registered capital of US$100,000. The company's offices and factory are located in Inchon, where 21 workers, including 15 engineers and two quality assurance staff, are employed. Exports to worldwide markets account for 65% of the company's total annual revenues of US$2 million.