Profile: Zhengzhou Yihang Water Purification Materials Co., Ltd. specializes in providing activated carbon products. Coconut shell activated carbon for drinking water purification has the characteristics of abrasion resistance, high adsorption performance and long use time. It has good efficiency in purifying pure water and high pure water. It is an ideal material for electronic industries. Coal based activated carbon is a standard pelletized activated carbon that works by trapping molecules of hydrogen sulfide and other volatile organic compounds in the graphite flake structure of the carbon particles.