Components are assembled through technical welding systems
such as Ultrasonic, Hot-blade welding, High-frequency, Glueing

and use of inserts of different materials:

Metal Frame, Metal Inserts, Aluminium, Glass,
Fabrics, Cloth, Rubber

Functional and aesthetical tests are also carried out:

Electrical resistance test, Air-tightness test, Colour test,
Gloss control, Balancing and functional test