- Guangzhou Toption Non-ferrous Metals Imp. and Exp.Co.
- copper concentrate, reo.
- Address:Room 3016,Citic Plaza, North Tianhe Road, Guangzhou, China Guangzhou Guangdong China
- Taiyuan Dingshengyuan Material Co.,Ltd
- REO products, customer priority, copetitive price.
- Address:changfeng street Taiyuan Shanxi China
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