Technology and manufacturing process

The entire process of manufacturing washers and small stamped metal parts takes place on DOISTUA´s premises.

 

Advanced planning process design

Integrated design of the dies and cutting and stamping tools

Cutting and stamping of metal strip coils

Second cold forming operations

Degreasing, deburring and polishing

Heat treatment Quenching and Tempering

Coatings

100% inspection in optical sorting machines

Packaging, packing and shipping

Advanced Tools - Process Control


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