Precious stones brought millions of revenue for the Changle

As the Changle China Gem City, Changle is one of the world's four major sapphire origin. Changle annual gem trade volume of over 10 billion yuan, as a county on the outskirts of the city of Weifang, a positive move closer to the city for the integration and make the economic jewel.
Ancient Qi State for the first Changle City, the capital of this gem for the development of great vitality, according to surveys, mine area of 450 square kilometers, the reserves of several billion carats, is one of the world's four major sapphire origin, now in the volume of transactions over 10 billion yuan, is China's industrial base with precious stones jewellery, the Chinese charm county.
The county in order to attract more customers, bigger and stronger economic precious stones, two or three years will build 1 million square m 3 area, the trade volume of 50 billion -1000 billion in large-scale gems, jade, diamonds, gold, platinum and gold, platinum, Jewelry, crafts, tourism souvenir trading center, strive to lay the economic integration of urban-chu