Electronic-grade hydroxylamine is a highly effective reducing cleaning agent, which is mainly used in the semiconductor process for CMP post-cleaning, photoresist stripping and metal surface treatment of copper/cobalt interconnects, with the characteristics of selective removal of oxides without corroding metal, low corrosiveness, environmental protection and so on. This product has the advantages of ultra-high purity, controllable concentration and high precision, which can meet the requirements of customers for a variety of packaging.