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
Chinese Arctic and Antarctic Administration Chinese Arctic and Antarctic Administration The Chinese Arctic and Antarctic Administration (CAA) (previously the Chinese Antarctic Administration of the State Antarctic Research Committee) is a Beijing-based agency of the People's Republic of China's State Oceanic Administration (SOA). Established in 1981, it organizes China's scientific program for both the Arctic and Antarctic, and it provides logistic support to Antarctic expeditions. There are several; divisions, including General Affairs, Operation & Logistics, Science Programs, International Cooperation, representation in the Chinese Embassy in Chile, and a Winter Training Base. The director is Qu Tanzhou. The CAA organizes, coordinates and supervises China's polar program. As