Longjing tea of a finer Longjing is achieved only by using a genuine, slightly porous, Yixing clay teapot, which since the beginning, was popular exactly for preparing green tea well. The tea can be very expensive, and the prices depend on the varieties, of which there are many. Longjing is divided into six grades: "Superior" and then 1 down to 5. Infused leaves are a good indicator of quality, which is characterized by maturity and uniformity of the shoots harvested for processing. High quality Longjing teas produce tender, whole leaves that are uniform in appearance. Lower quality varieties may vary in color
Jiang Jingshan Jiang Jingshan Jiang Jingshan () is a leading Chinese scientist with expertise in microwave remote sensing and spaceflight engineering. He had been the director of the Center for Space Science and applied Research, Chinese Academy of Sciences, deputy chief designer of the Chinese Lunar Exploration Program. and an aerospace expert of China's 863 Program. He is an academician of Chinese Academy of Engineering, International Eurasian Academy of Sciences and a member of CN COSPAR. Jiang is of Korean descent and was born on Feb 8th, 1932, in Longjing, in Yanbian Korean Autonomous Prefecture, Jilin Province, China. He became the first