Nonferrous metals, environmental management & recycling, electronic materials, metal-processing, and heat treatment businesses
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Nonferrous Metals Segment |
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Production and sale of gold, silver, copper, zinc, lead, zinc alloy, indium, platinum, and other nonferrous metals |
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Environmental Management & Recycling Segment |
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Waste treatment, soil remediation, metal recycling, consulting, final waste treatment and disposal facilities, and freight transport |
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Electronic Materials Segment |
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High-purity gallium for compound semiconductor manufacturing, compound semiconductors for electronic and optical devices, LEDs for transmission and medical sensors, metal powders for data storage tape and other electronic materials |
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Metal Processing Segment |
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Manufacturing and sale of copper, brass, copper alloy strips and other copper strip products, strip platings, brass bars and forged parts |
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Heat Treatment Segment |
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Heat treatment, surface treatment, and surface modification treatment, and the design, manufacturing, sale and maintenance of facilities for heat treatment |