A fair use statement regarding the full text of the request

Your requested [Metal recovery from the copper sulfide tailing with leaching and fractional precipitation technology] is currently limited to Guangzhou Institute of Geochemistry，Chinese Academy of Sciences internal sharing.

To solicit author authorization, you need to provide the following information: name, organization, personal e-mail, reason for request. The information you provide will be reviewed and you are committed to the truth of the information provided. The personal information you provide will be protected according to law.