1) How to proceed to inscribe myself as a CSN's supplier?
You should send a dossier/ catalog/ folder, with relevant data, company structure, main customers and suppliers and the line of products or services you intend to provide.
Send to: e-mail or Avenida Juscelino Kubitschek, 1830 - Itaim Bibi - CEP 04543-900 São Paulo - Torre II 10º andar - Cadastro de Fornecedores da CSN.
2) What is CSN's purchase section address?
Avenida Juscelino Kubitschek, 1830 - Itaim Bibi - CEP 04543-900 - Torre II 10º - São Paulo
3) Which are the agencies responsible for the issuance of:
4) Do the required registration documents need to be authenticated?No. The important thing is that all dates are valid.
5) What is the result of analyzing a dossier/catalog/folder sent to CSN to register as a supplier?Refer to CSN's Supplier Records Section.
Phones: (011) 3049-7354, (011) 3049-7310, (011) 3049-7381 or (011) 3049-7393
or e-mail:
Recorded Companies 6) Which materials are we authorized to supply to CSN?Refer to CSN's Supplier Records Section.
Phones: (011) 3049-7354, (011) 3049-7310, (011) 3049-7381 or (011) 3049-7393
or e-mail:
7) How can I update my company's registration information?Send an e-mail containing all the relevant details or fax (011) 3049-7397.8) Why is my company not participating in tenders offered by CSN?Refer to CSN's Supplier Records Section or the respective CSN Purchasing Section.
9) Are our company records active at CSN?Refer Refer to CSN's Supplier Records Section.
Phones: (011) 3049-7354, (011) 3049-7310, (011) 3049-7381 or (011) 3049-7393 or e-mail
10) How can I update my details as a registered supplier with CSN (such as change of address/ or company name)?Send the Article of Incorporation/Minutes, with the required changes to:
e-mail or Avenida Juscelino Kubitschek 1830 - Itaim Bibi - CEP 04543-900 São Paulo - Torre II 10º andar - Cadastro de Fornecedores da CSN.
11) My company has been incorporated by another one, how can I update this information in CSN's supplier record?Send the Article of Incorporation/ Minutes, with the required changes to:
e-mail or Avenida Juscelino Kubitschek 1830 - Itaim Bibi - CEP 04543-900 São Paulo - Torre II 10º andar - Cadastro de Fornecedores da CSN.
12) My company has ceased trading under its registered CNPJ (company number), how do I register the new details?Send the Article of Incorporation/ Minutes, with the required changes to:
e-mail or Avenida Juscelino Kubitschek 1830 - Itaim Bibi - CEP 04543-900 São Paulo - Torre II 10º andar - Cadastro de Fornecedores da CSN.
13) I need a Statement/ Certificate of Technical capacity or a reference from CSN, in order to take part in market bids, where can I request it?Send an e-mail request to CSN' Supplier Records Section containing contract number (in the case of services rendered) or order number (for materials supplied).
14) I don't have a password for the restricted areas of the CSN portal, how do I get one?This service is currently being piloted and is operating with just a handful of internal and external users. In the future, companies already registered with CSN will also be registered at this portal. As this process rolls out we will contact you and inform you of any other necessary steps. Companies that are not registered, but are interested in becoming CSN suppliers should consult the first FAQ in this list.
