Ketang Town is the capital of colored gemstones in China and an industrial base for Chinese jewelry and jade jewelry. Guangdong Ketang Jewelry Trading Market was established in 2001. It has a total area of ​​150,000 square meters and a construction area of ​​110,000 square meters. It is one of the earliest jewelry trading markets in China and is a pioneer in promoting the vigorous development of the jewelry industry. There are more than 3,000 stalls in the Ketang Jewelry Trading Market, and the processing output of colored gemstones accounts for 70% of the world's total processing volume. Products processed from imported raw stones are exported to Europe, America, Southeast Asia, South Korea, and other regions of the world.