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Henan Liming Heavy Industry Ciencia y Tecnología Co. LTD, fue fundada en 1987,que principalmente fabrica equipos detrituracionesymoliendas grandes y medianas. Se trata de una moderna empresa con la investigación, fabricación y ventas juntos. La matriz se encuentra enla zona HI-TECH Industry Development de Zhengzhou y cubiertas 80.000 m ².

No.169, Science (Kexue) Avenue,
National HI-TECH Industry
Development Zone,

Zhengzhou, China
E-mail: [email protected]
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coltan mining in the democratic republic of congo
  • The real costs of coltan mining in the DRC — report

    2022年6月1日  The Democratic Republic of Congo (DRC) is one of the most resource-rich countries in the world — its untapped deposits of raw minerals are estimated to be worth

    Charlar en Línea
  • Coltan Mining in the Democratic Republic of Congo: - GeSI

    2023年4月26日  Coltan Mining in the Democratic Republic of Congo: How tantalum-using industries can commit to the reconstruction of the DRC This report gives a factual

    Charlar en Línea
  • Mining and illicit trading of coltan in the Democratic

    2022年5月9日  2 Mining and illicit trading of coltan in the Democratic Republic of Congo Introduction The Democratic Republic of Congo (DRC) is widely considered to have the

    Charlar en Línea
  • “Referees become players”: Accessing coltan mines in the

    2018年1月1日  This article offers ethnographic insights into how reforms of artisanal mining have triggered conflicts regarding property rights and access to minerals (coltan), 1 in

    Charlar en Línea
  • Mining and illicit trading of coltan in the Democratic

    2022年7月22日  Mining and the illicit trade in minerals have long been the source of social and environmental upheaval in the Democratic Republic of Congo (DRC) and coltan, a

    Charlar en Línea
  • Coltan Mining in the Democratic Republic of Congo

    2006年1月29日  1585-Coltan Report (covers) 12/3/03 11:40 AM Page 3. Fauna Flora International acts to conserve threatened species and ecosystems worldwide, choosing

    Charlar en Línea
  • Coltan Earth Sciences Museum University of Waterloo

    2 天之前  Approximately 80% of the world’s supply of Coltan is found in the Democratic Republic of Congo. Coltan is mined by hand in the Congo. Their methods are very similar

    Charlar en Línea
  • Mining and illicit trading of coltan in the Democratic

    Mining and the illicit trade in minerals have long been the source of social and environmental upheaval in the Democratic Republic of Congo (DRC) and coltan, a mineral essential to

    Charlar en Línea
  • Coltan and conflict in the DRC - Democratic Republic of

    2009年2月11日  Origin. View original. A new alliance between the DRC and Rwanda against rebel groups brings new threats and opportunities for peace in the Great Lakes

    Charlar en Línea
  • Coltan Mining in the Democratic Republic of Congo: - GeSI

    2023年4月26日  Coltan Mining in the Democratic Republic of Congo: How tantalum-using industries can commit to the reconstruction of the DRC. This report gives a factual background to the extraction of coltan, its refining to tantalum metal and its ultimate use in many different types of equipment. The report had been researched and written by

    Charlar en Línea
  • The real costs of coltan mining in the DRC — report

    2022年6月1日  The Democratic Republic of Congo (DRC) is one of the most resource-rich countries in the world — its untapped deposits of raw minerals are estimated to be worth in excess of $24 trillion. The ...

    Charlar en Línea
  • Tantalum supply from artisanal and small-scale mining: A

    2020年12月1日  Artisanal re-processing of coltan mine tailings is frequently observed (e.g., Ntenge and Turimumahoro, 2010), attesting to the general economic relevance of tailings deposits in the region. 3.3. ... the challenges of formalizing artisanal mining in the Democratic Republic of Congo. Resour. Pol., 37 (2012), pp. 322-330,

    Charlar en Línea
  • “Referees become players”: Accessing coltan mines in the

    2018年1月1日  This article offers ethnographic insights into how reforms of artisanal mining have triggered conflicts regarding property rights and access to minerals (coltan), 1 in eastern Democratic Republic of Congo (DRC). The study was inspired by the literature on access control and elite capture.

    Charlar en Línea
  • Mining and illicit trading of coltan in the Democratic

    2022年5月9日  2 Mining and illicit trading of coltan in the Democratic Republic of Congo Introduction The Democratic Republic of Congo (DRC) is widely considered to have the richest store of natural resources in the world, with its untapped deposits of raw minerals estimated to be worth more than US$24 trillion.1 The

    Charlar en Línea
  • Mining and illicit trading of coltan in the Democratic

    2022年7月22日  Mining and the illicit trade in minerals have long been the source of social and environmental upheaval in the Democratic Republic of Congo (DRC) and coltan, a mineral essential to modern electronics, has become a particular focus of criminal networks. ... • Much of the coltan produced by artisanal mining remains unaccounted for due to the ...

    Charlar en Línea
  • “Referees become players”: Accessing coltan mines in the

    2018年1月1日  Recently, eastern Democratic Republic of Congo (DRC) has become a testing ground for many reform initiatives. ... This article is based on fieldwork undertaken at two coltan mining sites in the Nyunzu territory (Kahendwa and Kisengo) from March 2013 to September 2014, and additional data were gathered in October 2014 in Lubumbashi (the ...

    Charlar en Línea
  • Conflict and Coltan: Resource Extraction and Collision in

    2023年5月19日  This paper evaluates the relationship between Coltan, a mineral necessary for the creation of electronic capacitors, and the conflict it creates locally, regionally, and internationally through the case studies of the Democratic Republic of the Congo (DRC) and Venezuela. These case studies illustrate the relationship between export and ...

    Charlar en Línea
  • Mining and illicit trading of coltan in the Democratic

    Mining and the illicit trade in minerals have long been the source of social and environmental upheaval in the Democratic Republic of Congo (DRC) and coltan, a mineral essential to modern electronics, has become a particular focus of criminal networks.

    Charlar en Línea
  • Coltan Mining in the Democratic Republic of Congo: How

    2003年1月1日  In the Democratic Republic of the Congo (DRC), early work by Fauna and Flora International highlighted the need for companies to address coltan (tantalum ore) mining as a conservation issue (Hayes ...

    Charlar en Línea
  • Coltan Mining in the Democratic Republic of Congo: - GeSI

    2023年4月26日  Coltan Mining in the Democratic Republic of Congo: How tantalum-using industries can commit to the reconstruction of the DRC. This report gives a factual background to the extraction of coltan, its refining to tantalum metal and its ultimate use in many different types of equipment. The report had been researched and written by

    Charlar en Línea
  • Why it’s hard for Congo’s coltan miners to abide by the law

    2021年1月21日  Tantalum, a metal used in smartphone and laptop batteries, is extracted from coltan ore. In 2019 40% of the world’s coltan was produced in the Democratic Republic of Congo, according to official ...

    Charlar en Línea
  • The real costs of coltan mining in the DRC — report

    2022年6月1日  The Democratic Republic of Congo (DRC) is one of the most resource-rich countries in the world — its untapped deposits of raw minerals are estimated to be worth in excess of $24 trillion. The ...

    Charlar en Línea
  • Tantalum supply from artisanal and small-scale mining: A

    2020年12月1日  Artisanal re-processing of coltan mine tailings is frequently observed (e.g., Ntenge and Turimumahoro, 2010), attesting to the general economic relevance of tailings deposits in the region. 3.3. ... the challenges of formalizing artisanal mining in the Democratic Republic of Congo. Resour. Pol., 37 (2012), pp. 322-330,

    Charlar en Línea
  • “Referees become players”: Accessing coltan mines in the

    2018年1月1日  This article offers ethnographic insights into how reforms of artisanal mining have triggered conflicts regarding property rights and access to minerals (coltan), 1 in eastern Democratic Republic of Congo (DRC). The study was inspired by the literature on access control and elite capture.

    Charlar en Línea
  • “Referees become players”: Accessing coltan mines in the

    2018年1月1日  Recently, eastern Democratic Republic of Congo (DRC) has become a testing ground for many reform initiatives. ... This article is based on fieldwork undertaken at two coltan mining sites in the Nyunzu territory (Kahendwa and Kisengo) from March 2013 to September 2014, and additional data were gathered in October 2014 in Lubumbashi (the ...

    Charlar en Línea
  • Conflict and Coltan: Resource Extraction and Collision in

    2023年5月19日  This paper evaluates the relationship between Coltan, a mineral necessary for the creation of electronic capacitors, and the conflict it creates locally, regionally, and internationally through the case studies of the Democratic Republic of the Congo (DRC) and Venezuela. These case studies illustrate the relationship between export and ...

    Charlar en Línea
  • Coltan Mining in the Democratic Republic of Congo: How

    2003年1月1日  In the Democratic Republic of the Congo (DRC), early work by Fauna and Flora International highlighted the need for companies to address coltan (tantalum ore) mining as a conservation issue (Hayes ...

    Charlar en Línea
  • Building Peace by Formalizing Gold Mining in the Central

    7 小时之前  Artisanal and small-scale gold mining is a mostly informal activity, and one does not have to look further than neighboring countries to appreciate how the sector can be exploited by non-state armed groups, including terrorist organizations. ... Ex-combatants in places as diverse as the eastern Democratic Republic of the Congo and Sierra Leone ...

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  • Trafficking of Coltan in the Democratic Republic

    2017年1月13日  The struggle for survival through artisanal mining o f coltan, as well as the fighting among armed groups for the control of the deposits has triggered conflicts and a grow ing instabil ity in the ...

    Charlar en Línea