E-A Series: Powdery carbon produced through steaming by high temperature water and through acid and water cooking with charcoal as raw material . Granular carbon is also producible in accordance with customers request. Mainly used in decolorizing and impurity removing of antibiotics , hormone, vitamin, nuclein injection and other injection medicines in medicine industry, decolorizing , impurity removing , water purifying in food industry and treating of wastewater.