Electronic-grade sulfuric acid is a key high-purity chemical in the manufacture of silicon/compound substrates, with characteristics such as high oxidation, strong acidity and ground metal magazine, it is an indispensable chemical in semiconductor wafer manufacturing, mainly used in cleaning, etching and other processes. This product has the advantages of ultra-high purity, low particulate matter, controllable concentration and high precision, which can meet a variety of packaging requirements of customers.