Mexican Cananea 20-F 2003 FY Annual report (foreign)

QuickLinks -- Click here to rapidly navigate through this document

Exhibit 13.2

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the Annual Report of Mexicana de Cananea, S.A. de C.V. (the "Company") on Form 20-F for the period ending December 31, 2003, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Héctor Nieto Castilla, Finance Director of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1)

The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and



(2)

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: July 14, 2004 By: /s/  HÉCTOR NIETO CASTILLA      Name: Héctor Nieto Castilla
Title: Finance Director

        A signed original of this written statement required by Section 906 has been provided to Mexicana de Cananea, S.A. de C.V. and will be retained by Mexicana de Cananea, S.A. de C.V. and furnished to the Securities and Exchange Commission or its Staff upon request.

QuickLinks

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002