China has four great inventions, among which papermaking is a deep knowledge. Leather paper is generally divided into two varieties, bamboo paper and leather paper made of bamboo and Broussonetia papyrifera bark.
Never use too tight diapers, otherwise it will cause certain damage to the body like wearing too tight underwear. Especially for boys, if diapers are too small and too tight, it is not conducive to testicular development.
Chinese calligraphy and painting paper refers to the art paper for writing and painting with Chinese brush and Chinese calligraphy pigment. It has a history of 1800 years and a long history. It is the crystallization of Chinese culture, art and science.