CALGON CARBON was founded in 1942 in the United States and has over 40 years of leadership in the field of drinking water treatment. The company reported USD 619.8 million in revenue in 2023. With 25 offices and 17 manufacturing and reactivation facilities worldwide, CALGON CARBON provides products and solutions for over 700 different applications ranging from air and drinking water filtration to food and pharmaceutical filtration, as well as gas separation and the removal of mercury emissions from coal-fired power plants.

CALGON CARBON is a pioneer in the activated carbon industry, holding over 240 patents developed by the company’s scientists and engineers. The company has introduced advanced filtration systems for drinking water, wastewater, odor control, pollution reduction, and numerous industrial and commercial production processes.

GREENTECH has been the exclusive distributor of CALGON CARBON in Vietnam for activated carbon products used in water and air filtration. Notably, CALGON CARBON’s activated carbon has been used in all of GREENTECH’s drinking water treatment projects for over 10 years. In addition to common products, GREENTECH also supplies high-quality, specialized activated carbon from CALGON CARBON for the beer, spirits, and beverage industries. These are used for chlorine removal, color and odor reduction, and the elimination of total organic carbon (TOC), meeting the stringent standards of the food and beverage industry while ensuring cost-effectiveness.