Supplier registration documents
To register Dustre as a supplier, download the company registration form in PDF. It gathers company and unit data, contacts and certifications.
Download the registration form (PDF) Updated on 11/06/2026
Company data
| Legal name | Dustre Harpon Peças e Ligas Especiais Ltda. |
|---|---|
| Trade name | Dustre Aços e Ligas Especiais |
| Founded | 07/19/2000 |
| Legal form | Limited liability company (Ltda.) |
| Activity | Manufacture of metal products (CNAE 25.99-3-99) and wholesale of steel and metal products (CNAE 46.85-1-00) |
| Units | Head office in Osasco/SP; branches in Baixo Guandu/ES and Joinville/SC; Ardo Advanced Materials Limited in Hong Kong |
| Service | Sales, billing and correspondence centralized at the head office in Osasco/SP |
| CNPJ | 03.954.227/0002-45 (billing; CNPJ and tax registrations of each unit in the form) |
Certifications and approvals
| ISO 9001:2015 | Certified quality management system, valid until 06/10/2028 |
|---|---|
| Petrobras CRC | Registered supplier at Petrobras |
| API 6A | Heat treatment furnace qualified to API 6A |
| Technical manager | Engineer with ART registered at CREA-SP |
| Traceability | EN 10204 3.1 certificate from heat to part; PMI, tensile, hardness and Charpy in our own laboratory |
See also how to check an EN 10204 3.1 certificate and the testing laboratory.
Documents on request
CNPJ card, state and municipal registrations, clearance certificates (federal, state, municipal, labor and FGTS), articles of association, operating permit and fire safety certificate (AVCB), ISO 9001 and Petrobras CRC certificates, bank and trade references and financial statements. Request them by e-mail at [email protected].
Frequently asked questions
How do I register Dustre as a supplier?
Download the registration form in PDF on this page: it lists the legal name, CNPJ, state and municipal registrations of each unit, addresses, contacts and certifications. Other documents are sent by e-mail.
Which CNPJ goes on the purchase order?
The billing CNPJ is 03.954.227/0002-45. The registration form lists the CNPJ and registrations of each unit.
Is Dustre ISO 9001 certified?
Yes, ISO 9001:2015, with a certificate valid until 06/10/2028. The certificate is sent on request.