Hi, In fact right now we are looking for copper concentrate now, kindly send all details of your materials, yearly demand will be 20000 ton or more 1. Testing report 2. Metal 3. Rate based on different % of Cu4. production processes5. to of materials and production site Show More...
Hi, In fact right now we are looking for copper concentrate now, kindly send all details of your materials, yearly demand will be 20000 ton or more 1. Testing report 2. Metal 3. Rate based on different % of Cu4. production processes5. to of materials and production siteany other helpful to or information could help us to evaluate your offer. my Mr. Cheng Hao