Hunan Jingshi Group was founded in 1998, it has five wholly-owned subsidiaries: Hunan Jingshi Group Co., Ltd., Hunan Jingshi Group Lead Co., Ltd., Hunan Jingshi Group Technology Co., Ltd., Hunan Jingshi Group Zhongda Co., Ltd.&＃65292;Zhuzhou Yifeng New Materials Co., Ltd. and etc. The general headquarters of the company is located in Zhuzhou City, Hunan province which is the major industrial town in Central South China. The company is located in center zone of Changsha, Zhuzhou and Xiangtan important economic corridor, its geographic position is unique. The general assets of the group is RMB 420,000,000, the registered capital of the enterprise is RMB 71,000,000, and the company has more than 1000 employees, in which, there are more than 120 professional technical personnel of different kinds now, the floor area of the company is 130,000m2, the main body of the company are productions of zinc sulfate and refined indium of industrial grade and feed grade, and through transnormal and great-leap-forward development for 8 years, it has formed production capacity of 40,000 tons zinc sulfate/year, 40 tons refined indium/year and 10000 tons lead/year and become to one of the world’s biggest production and marketing base of zinc sulfate, its metallic indium are in great demands of Europe, America, Japan and Korea markets and occupy prominent market share. The group has based itself on international market from the date of foundation, and its products have been distributed to tens of countries and areas of Europe, America, Oceania, Middle East, Southeast Asia and etc. Through continuous technical innovation and reconstruction, the factory has originated “Indium Ingot” cycling production system in entire country, and the production processes of the two products has achieved to international advanced level. The group has been approved by ISO9001 Quality Management System and obtained the production license of feed additives in 2002, and the group had been approved by ISO14001:2004 Environment Management System and FAMI-QS.