Ningxia Huiheng activated carbon Sales Co. Ltd.Activated carbon is a very good adsorbent. It uses charcoal, bamboo charcoal, all kinds of fruit shells, and high-quality coal as raw materials.Physical and chemical methods for crushing, screening, catalyst activation, rinsing, drying and screening of raw materials Made from. Ningxia Huiheng activated carbon Sales Co. Ltd.Welcome customer purchase.