Mainly concentrated in Guangzhou and Shenzhen, where jewelry and jade manufacturers gather, because the factory is located there, it is easy to sit and hold, thus achieving the purpose of reducing costs. Jin Shanghai Yu, the largest and most professional jade processing factory in China, was established in Longgang, Shenzhen. Now there are jade processing points in every province and city. Because in the 1970s and 1980s, when we were production teams, state-owned jade carving factories appeared in many places. At present, the main jade processing centers are Xiangwangnong in Suzhou, Shifosi in Nanyang, Xinjiang and Guangdong. There are many important jade processing industrial zones in Yuncheng District, Yunfu City, Guangdong Province. Yunfu, also known as "Shicheng", is a prefecture-level city in Guangdong Province. It is a national garden city and a famous "Stone Kingdom" in China, known as the "Stone Capital".