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With unique technical advantages in large mineral engineering design, engineering consulting, project management, EPC qualifications and capabilities, CIE enjoys its powerful mineral technique. Especially its experience on design and research practice over the past 60 years, CIE has formed a batch of unique mining technologies of open pit mines and underground mines. We have seen its design and EPC for over 100 large scale domestic and overseas mining projects covering ferrous metal, non-ferrous metal, gold, building materials, chemical engineering, beach placer, blasting engineering, urban underground space development, etc. In addition, we have seen 12 national standard codes and industry design manuals edited or coedited by CIE, whose many projects have won national, ministerial and provincial prizes for excellent engineering design and for scientific progress. 
 
Advanced mineral processes and technologies
 
◎Technologies required for deep well  mine
◎Filling and green mining technologies
◎Key technologies on intelligent mine construction
◎Key technologies on high altitude and high cold mining
◎Development and transportation process of adit pass 
◎Development and transportation process of steep slope, adit and shaft
◎Adopting technology of steepening deep slope angle to improve resources recovery
◎Belt conveying process of movable and semi-movable crushing station
◎Combined development and transportation process with railway and automobiles for open pit mine
◎Adoption of adit-ore pass development and transportation process and branchy inclined ore pass to solve the problem of ore transportation at multiple levels
◎ Integrated development and transportation process including belt conveying from inclined shaft to ground surface, intermediate crushing, tailing discarding and distribution
◎ The mining process of chain bucket mining vessel for sea sand of high efficiency with low cost, quick result and good energy conservation
300,000 t/a mining and mineral processing EPC engineering of Dongyang Tungsten mine in Zhen’an County, Shaanxi Province  
3.3 million t/a mining and mineral processing engineering of lead zinc ore mine in Novondrago, Russia 
15.5 million t/a mining and mineral processing engineering of Baima iron mine in Panzhihua City
3.3 million t/a mining and mineral processing engineering of cooper sulfur multi-metal mine in Dabaoshan, Shaoguan City, Guangdong Province
2 million t/a mining and mineral processing engineering of manganese ore mine in Guiyanamaxiusi of Bosai Minerals Group Co., Ltd. 
Daye Iron Ore Mine of Wusteel——180m stage filling mining engineering of manganese ore mine——filling station  
Tibet mineral industry Luobusha chromite mining engineering (high-altitude mining)
5 million t/a underground mine mining and mineral processing engineering of Makeng iron mine in Longyan City, Fujian Province 
1.5 million t/a expending energy engineering of Daxin manganese mine underground mine of CITIC Dameng Holdings
4 million t/a mining and mineral processing engineering of iron ore mine in Hainan Province 
Mining and mineral processing engineering of Lanjian iron ore mine of Pansteel 
6.3 million t/a mining and mineral processing engineering of Taihe iron ore mine in Xichang City
Mining engineering of Zhujia Baobao iron ore mine 
Phase one mineral engineering of Pansteel 
East open pit slope extension and deepening project of Wusteel Daye iron ore mine
Mining engineering of Lugu iron ore mine at continued construction Dadingshan mineral area 
300,000 t/a mining and mineral processing EPC engineering of Dongyang Tungsten mine in Zhen’an County, Shanxi Province
3.3 million t/a mining and mineral processing engineering of lead zinc ore mine in Novondrago, Russia
15.5 million t/a mining and mineral processing engineering of Baima iron mine in Panzhihua City
3.3 million t/a mining and mineral processing engineering of cooper sulfur multi-metal mine in Dabaoshan, Shaoguan City, Guangdo
2 million t/a mining and mineral processing engineering of manganese ore mine in Guiyanamaxiusi of Bosai Minerals Group Co., Ltd
Daye Iron Ore Mine of Wusteel——180m stage filling mining engineering of manganese ore mine——filling station
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