high grade. Shiraz grape is a high-quality grape variety, and its fruit can produce rich aroma and dark body in the brewing process, so the brewed wine has rich taste and high quality. Secondly, Shiraz red wine usually takes a long time to age, and its aging potential is very strong. Some high-quality wines can even be used in Fang Chen for decades. This aging potential makes Shiraz red wine more rare in the market, thus improving its grade, so Shiraz red wine is regarded as high grade.