The copper processing industry mainly uses for copper strip, copper tube, copper wire and other copper products. The high-purity nitrogen-hydrogen mixture is used in the bell-type annealing furnace. High-purity nitrogen is required for purging before and after annealing (generally 99.999%). Copper or air-cushion furnaces are produced in a low hydrogen ratio mixture atmosphere.
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Item |
Name |
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1 |
Chinalco Luoyang Copper CO.,LTD |
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2 |
Chinalco Shanghai Copper Co., Ltd |
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3 |
Jiangxi Copper Company Limited |
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4 |
Zijin Mining Group Ltd |
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5 |
Ningbo Jintian Group |
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6 |
Jingcheng Copper Share CO.,LTD |
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7 |
CNMC Albetter Albronze Co., Ltd |
|
8 |
Zhejiang Honglei Copper CO., LTD |
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9 |
Ningbo Powerway Alloy Material Co., Ltd |
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10 |
Jiangyin New Huahong Copper Industry CO., LTD |
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11 |
Guilin Lijia Metals CO.,LTD |
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12 |
Shanghai Feichi Copper & Aluminum Materials CO., LTd |
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13 |
ZHEJIANG JIAHE PIPES INC |
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14 |
Jiangsu Gaoxinzhang Copper CO.,LTD |
|
15 |
Zhejiang Tianhe Gaoxin Metal Material Co., Ltd |
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16 |
Shangxi Chunlei Copper CO.,LTD |
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17 |
Shandong Tianyuan Copper CO., LTD |
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18 |
Golden Dragon Precise Copper Tube Group Inc |
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