ECOPRO Co., Ltd. engages in the manufacture and sale of environmentally friendly chemical products. It operates through the following business divisions: Battery Material, Environment, and System. The Battery Material business manufactures secondary battery from cathode active material and precursor. The Environment business offers elimination of harmful gas and green-house gas services, chemical filter, chemical absorbent, PFC catalyst, nano carbon ball, nano silica sol, and porous polymer. The company was founded on October 22, 1998 and is headquartered in Cheongju, South Korea.