ECOPRO Co., Ltd. is a Korea-based company engaged in the battery and environment material businesses. Its battery material business manufactures battery materials, cathode active materials and electrolyte solvents, which are core materials for secondary batteries. Its environment material business manufactures environmental materials, including nano carbon balls (NCBs), nano silica spheres (NSSs), polymers, chemical absorbers, carbon monoxide (CO) catalysts and perfluorocarbon (PFC) catalysts; chemical air filters, including filters for semiconductor products and filters for cars, and environmental systems, such as catalytic PFC gas scrubbers, emission test chambers and pressure swing adsorption (PSA) oxygen production equipment.