Changchun Miffy Environmental Protection Equipment is a professional R D& production of water treatment equipment and water treatment chemicals two series of high-tech company.Nian Qingquan is a brand of Changchun Miffy Environmental Protection Equipment Co. LTD.Our main business is included three parts, industrial water purification such as reverse osmosis system( water softening equipment iron and manganese removal equipment, constant pressure water supply system EDI,ultra-pure water system) Commercial water purification and household water purification equipment.