The country vigorously promotes the goal of "carbon neutrality". There is a huge market space for new energy vehicles and photovoltaic in the future. China's cumulative and newly increased photovoltaic installed capacity ranks first in the world. New energy vehicles are also a strategic emerging industry supported by China. Therefore, the development of high-efficiency photovoltaic cells has become a trend, which also matches the technical system accumulated by our company for many years. According to different battery technology routes, it can be divided into p-type perc silver paste, TOPCON silver paste and hjt silver paste.