| In recent years, Changle County, gem industry with a | | | | population of 600,000, is the State Council approved |
| strong advantage in promoting their "precious stones | | | | the coastal economic open counties, ancient Qi of the |
| set up the stage, economic and trade singing," has | | | | first City, today as the gem capital. 1800 years ago |
| achieved remarkable results, has been awarded a | | | | the ancient volcanic eruptions, given the rich |
| national model of a county village self-government, | | | | treasures of the Changle, is the world's rare, one of |
| national scientific and technological progress advanced | | | | the large sapphire deposits; oil shale reserves of 1 |
| counties, the Chinese charm of the county, China's | | | | billion tons, ranking first in the country. Sapphire and |
| financial ecological county and the Chinese jewelry | | | | diamond, ruby, emerald, and called the world's four |
| jade jewelry specialized industry base. In 2007, a | | | | major precious stones. And Myanmar, Sri Lanka and |
| comprehensive assessment among the full-Weifang | | | | other countries produced sapphire compared to |
| City, the first year, the growth in the assessment of | | | | Changle sapphire with a color depth, large particles, a |
| indicators among the forefront of full-Weifang City, | | | | significantly two-tone, crystal integrity, specific gems |
| and has maintained a strong momentum of | | | | and more gems Chromic more than the |
| development. | | | | characteristics of popular domestic and international |
| Changle County jurisdiction four towns, five streets, | | | | consumers, by the international gemstone industry as |
| a provincial-level development zone, a reservoir, with | | | | the "China Blue", Changle and therefore known as the |
| a total area of 1101 square kilometers, with a total | | | | "Sapphire Capital. |