doistua s a
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MANUFACTURER OF WASHERS AND SMALL STAMPED PARTS

DOISTUA means quality efficiency customer service competitiveness

We manufacture and supply washers and parts to meet the needs of various industries.

CONTACT
ABOUT US

DOISTUA is a company founded in 1951.

01.
Who We Are

Manufacturer and distributor of washers.

History

Over 60 years in the global market.

02.
Responsibility and Commitment

Integrated Policy

03.

TECHNOLOGY AND PRODUCTION PROCESSES

En las instalaciones de DOISTUA se realiza todo el proceso de fabricación de arandelas y pequeñas piezas metálicas estampadas
  • Advanced process design planning
  • Finite element simulation for metal forming
  • Complete design of dies and cutting/stamping tools
  • Cutting and stamping of metal strip coils
  • Secondary cold forming operations
  • Degreasing, deburring, and polishing processes
  • Heat treatment CQI-9
  • Coatings CQI-11 & CQI-12
  • 100% inspection using optical sorting machines
  • Advanced tools / Process Control
  • Herramientas avanzadas/Control de Procesos
Location

DOISTUA is a company founded in 1951, located in Galdakao, near Bilbao, and close to the port, the airport, and the European highway network.

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