Zhengyi Filter Chemical Co., Ltd. is based in Hong Kong and lists activated carbon products on Global Trade Plaza. The company offers Wooden Powdered Activated Carbon and Granular Activated Carbon for industrial use. The powdered activated carbon products are engineered to provide specific pore structures and adsorption properties, with particles defined by ASTM as passing through an 80-mesh sieve (0.177 mm). The granular activated carbon is suited for removing contaminants from water, air, liquids and gases and can be reactivated through thermal oxidation for repeated use. Buyers can send an enquiry through Global Trade Plaza.