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Copper
and Precious Metals
The history of Dowa dates back to the Kosaka Mine in north-eastern
Akita Prefecture , Japan.
Dowa has developed and accumulated ability of smelting
and refining various metallic constituents from complex
ores.
Based on technology of processing sulfide ores and featured
with refining and recycling precious metals , Kosaka Smelting
and Refining Co.,Ltd.is advancing toward future as a unique
refinery.
Kosaka Smelting & Refining Co.,Ltd started operation
of new type of furnace that optimizes the treatment of
recyclable materials. |
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ZINC
The production of electrolytic zinc , produced by its
major factory Iijima Refinery, is the largest in Japan
while the quality of its products and productivity are
appraised as the highest grade in the world.
*Iijima Refinery is belong to Akita Smelting & Refining
Co.,Ltd. Our company owns 81% of Akita Smelting &
Refining Co.,Ltd.
The advanced processing technologies enables Iijima Refinery
to recycle indium, the byproduct of zinc refining that
is welcome as electronic materials.
·We are able to provide a wide range of products
that include electrolytic zinc and many alloy zinc , which
suffice customers’ all kinds of needs. |
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Rare
Metals
In the business of recovering platinum group metals(PGM)
from used catalyst materials associated with automotive
exhaust gas and elsewhere, we strengthened the capabilities
of sampling facilities and took other actions to focus
on expansion through increased collection activities of
raw materials.
Diversification of metal recycling for the new furnace
at Kosaka Smelting & Refining Co., Ltd. |
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