Cai Wu Bay is a geographical area located in the desert in the north of Jimsar County, Xinjiang Uygur Autonomous Region, and it is also a place famous for its landform, climate and natural landscape diversity. Qicai Bay is not only famous for its magnificent natural scenery, but also the origin of jade, among which the most famous jade varieties are:

1. Hetian jade: Hetian jade is a kind of high-quality jade, which is famous for its delicate texture and rich colors. Hetian jade resources in Wucaiwan area are rich, mainly white, blue, yellow and blue.

2. Manas Jasper: Manas Jasper is a kind of green jade with delicate texture and bright color, which is often used to make jewelry and handicrafts. In Wucaiwan area, Manas jasper is rich in output, mainly green.

3. Amethyst: Amethyst is a rare jade, which is loved by people because of its unique purple and gem-like texture. In Wucaiwan area, amethyst production is scarce, but the quality is high.

4. Saussurea involucrata: Saussurea involucrata is a plant that grows on high mountains. Its beautiful and mysterious flowers are regarded as auspicious symbols by local people. Saussurea involucrata is widely distributed in Wucaiwan area and is a local characteristic plant.

In addition to the above four kinds of jade, there are many other kinds of jade in Wucaiwan, such as plum blossom jade, snowflake jade, multicolored jade and so on. These jades have their own unique texture and color, and are used to make all kinds of jewelry and handicrafts.