In modern times, qing shui ni clay now denotes technique of producing yixing clay, which using the pure raw ore of yixing clay to get the clay, not adding any other yixing clay. In history, qing shui ni means the rude low grade yixing clay which used in low grade produts, like bonsai pot. At the end of 1980s, this kind of rude low grade clay is popular, derive from the love of back to nature. In modern times, qing shui ni now denotes technique of producing yixing clay, which using the pure raw ore of yixing clay to get the clay, not adding any other yixing clay. In history, qing shui ni means the rude low grade yixing clay which used in low grade produts, like bonsai pot. At the end of 1980s, this kind of rude low grade clay is popular, derive from the love of back to nature.
