Changle County was awarded the title of "China Jewelry and Jade Jewelry Characteristic Industrial Base" by the Ministry of Land and Resources, the National Development and Reform Commission and the Ministry of Science and Technology. In 2006, Changle County was awarded as "China Jewelry and Jade Jewelry Characteristic Industry Base" by China Jewelry and Jade Jewelry Industry Association and the Jewelry Management Center of the Ministry of Land and Resources, and in 2007, it was awarded as "Shandong Province Standardized Civilization and Honesty Market". In May of the same year, China Gem City was allowed to join the International colored gems Association. Changle sapphire mining area covers an area of more than 450 square kilometers, which is one of the largest sapphire mining areas in China and rare in the world, and is known as the "hometown of sapphire". Moreover, Changle sapphire is favored by jewelers and consumers at home and abroad because of its large particle size, complete crystal, pure color, remarkable dichroism and many unique gems.
Changle County, Shandong Province is located in the middle of Shandong Peninsula, 25 kilometers east of Weifang, the world kite capital, 0/90 kilometers from Qingdao/KLOC, 0/87 kilometers west of Jinan, the provincial capital, and 80 kilometers north of Laizhou Bay in Bohai Sea. Ji Jiao Railway, Qing Ji Expressway, National Highway 309 and Dayi Road run through the whole territory.
Changle is rich in products, outstanding people and talented people, with Changle watermelon and rich sapphire minerals, which are famous at home and abroad. Sapphire resources are rich in minerals, with a mining area of 450 square kilometers and a reserve of hundreds of millions of carats. It is one of the rare large sapphire deposits in the world. Moreover, Changle sapphire has the characteristics of large particles, pure color, good quality, easy mining and many exotic gems, which is favored by the jewelry industry at home and abroad. Changle is therefore known as the "hometown of sapphires".