Zhangjiakou Gold Mine Co., Ltd. was established in 970. After more than 40 years of continuous development, it has become a high-tech modern industrial group integrating R&D, production, sales and technical services of mining, animal husbandry, agriculture and chemical industry. With 7 subsidiaries, the company has more than 300 employees and 38 research teams. In 2013, Jingzhijie (Beijing), Jingzhijie (Changsha) were successively established to be responsible for market sales. Products are sold to more than 20 countries. There are more than 2,000 long-term and stable cooperative customers.