Ink and wash green hills and jade. According to the national standards and the quality supervision and inspection of jewelry and jade in official website and the State, it is known that Qingshan jade is an ink-and-wash Qingshan jade, which is a unique stone resource in Guizhou. White tea is a brand of Qingshan jade. Jade in ink painting is a cultural product with Guizhou characteristics, with certain jadeite, mainly black and white in color and high hardness, and its unique natural texture resembles ink painting.