Connecting general reason condition to fall, choose mark Dou Sitan jade article, advocate if from jade makings, modelling is mixed,look on grain act the role ofing. Say from jade makings, the jade of the jade makings of uses dark gray and approximate China jasper expects, it is its oneself particular jade is planted. The characteristic of jasper is even, decorative pattern also wants a few more shallow. And uses Bai Yu, for Xinjiang superior Bai Yuyu expects. Look from modelling, mark Dou Sitan jade article, advocate if be given priority to with bowl of Chinese olive style and cup,want model. And this makes jade tradition in China in, this kind of modelling is very scarce. Act the role of from its grain again come up tell, dou Sitan jade article uses mark more plant grain, because accept local climate and natural condition,the most apparent feature is, and the influence that custom is used to, the grain on implements acts the role of place system to be passionflower design He Shaoliang to spend design more now. These also are place's peculiar plant breed. Wang Yayu is chosen collect