Gan Long wrote in the imperial poem "River Beach Language": "The river beach was once in Khotan, and I don't know why, but now I know its situation."
In order to give people a vivid understanding of the mining of mountain jade in Xinjiang at that time, he also asked the jade workers to carve a Jade Mountain (1765), with a poem on the back: "Jade diggers are in Khotan, and jade is washed out of the Jade River; In autumn, the river dries up and catches more forests; Bow your head, not worry about the cold wave. Jade doesn't say that everyone knows it, so I once knew it, and I gave my foot to it. However, there should be no jade in the world. "
Suzhou artisans carved the Picture of Lady Tongyin with waste jade materials, and Qianlong appreciated it very much, so he inscribed the inscription of Emperor Qianlong at the bottom: "He Tan Gong Yu, make a picture, so Wu Gong cut the remaining materials into a picture, and finished the rough jade without abandoning anything. Imperial knowledge. " He Shi: "Materials are taken from materials, and graphics are cut from quality. Residual water and green hills, tung eaves and banana shafts. A girl is a consultant and a craftsman is a soul. I won't give up anything, and I won him cry. "