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  2. List of countries by copper production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Production trends in the top five copper-producing countries, 1950-2012. This is a list of countries by mined copper production. Copper ore can be exported to be smelted so that a nation's smelter production of copper can differ greatly from its mined production. See: List of countries by copper smelter production.

  3. List of countries by copper smelter production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    This is a List of countries by copper smelter production for 2020, figures are for primary copper production. [1] In 2020, world copper smelter production was 17.8 million tonnes. The top 10 countries accounted for 70% of the total production.

  4. List of countries by copper exports - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    The following is a list of countries by refined copper exports. Data is for 2012, 2018 and 2023, in millions of United States dollars , as reported by The Observatory of Economic Complexity . Currently the top ten countries are listed.

  5. Laguna Copperplate Inscription - Wikipedia

    en.wikipedia.org/wiki/Laguna_Copperplate_Inscription

    Laguna Copperplate Inscription. The Laguna Copperplate Inscription (Filipino: Inskripsyón sa binatbát na tansô ng Laguna) is an official acquittance (debt relief) certificate inscribed onto a copper plate in the Shaka year 822 (Gregorian A.D. 900). It is the earliest-known, extant, calendar-dated document found within the Philippines.

  6. Pewter - Wikipedia

    en.wikipedia.org/wiki/Pewter

    Pewter (/ ˈpjuːtər /) is a malleable metal alloy consisting of tin (85–99%), antimony (approximately 5–10%), copper (2%), bismuth, and sometimes silver. [1] In the past it was an alloy of tin and lead, but most modern pewter, in order to prevent lead poisoning, is not made with lead. Pewter has a low melting point, around 170–230 °C ...

  7. Mining in Malaysia - Wikipedia

    en.wikipedia.org/wiki/Mining_in_Malaysia

    Tin mining is one of the earliest type of mining operated in Malaysia, starting in the 1820s in Perak and in 1824 in Selangor. [1] The development of mining industries in Malaysia attracted many Chinese immigrants who came to the state in 18th and 19th centuries to work and develop the mines. [2] The majority of Malayan tin mined prior to the ...

  8. ASE Group - Wikipedia

    en.wikipedia.org/wiki/ASE_Group

    The company's main operations are in Kaohsiung, Taiwan, with other plants located in China, South Korea, Japan, Malaysia and Singapore. It also has offices and service centers in China, South Korea, Japan, Singapore, Belgium and the United States. [24] On 1 October 2013, a water incident occurred at the ASE K7 facility. [25]

  9. List of copper ores - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_ores

    Following is a list of minerals that serve as copper ores in the copper mining process: [1] Image Name Formula % Copper when pure Chalcopyrite: CuFeS 2: 34.5 Chalcocite: