Shin-Etsu Quartz (Japan) was jointly established by Heraeus and Shin-Etsu Chemical Co., Ltd. in Germany. It was established in 1972. It is a quartz glass manufacturer. Its products include optical quartz glass, quartz crucibles, quartz glass for fiber synthesis, Quartz glass products and quartz glass materials, etc., and their products are widely used in optical, optical fiber, liquid crystal, semiconductor manufacturing, solar cell manufacturing and other fields. Shinjo Quartz can manufacture 24-36-inch semiconductor quartz crucibles, and their products are aimed at Japan, mainland China, Taiwan, Singapore, the United States and the United Kingdom.