These parts are assembled in the body, steering, suspension, engines, and safety components of leading automotive brands like Ford, GM, PSA, Renault, Dacia, VW, Audi, BMW, etc.
Our washers are highly valued in the construction of metal structures in the renewable energy sector (solar and wind).
Manufacturers in these sectors have developed product standards for metal components and washers. Doistua produces parts based on these standards, including Uls6 and Uls7, for companies like SNCF, Renfe, Deutsche Bahn, Claas, Caterpillar, etc.
Standard washers supplied to distributors and hardware stores for general market use. We manufacture according to common standards: DIN 125, DIN 9021, NF-E 25 511, and others such as ISO, EN, DIN, NF, UNE, UNI, BS, ASTM...
DOISTUA is a company founded in 1951, located in Galdakao, near Bilbao, and close to the port, the airport, and the European highway network.