It is a company specialized in the design and manufacture of moulds for rotational systems. We develop automation systems for the inflation, deflation and painting of balls.


PROMOSAL is a company based in Pamplona (Navarra – SPAIN), specialized in design, assembly and manufacture of moulds for rotational systems, for the manufacture of products made of polyethylene, PVC and rubber.


We have more than 30 years of experience in the sector, and we are currently suppliers to the best and largest global companies manufacturing products by rotational system.

Balones de Baloncesto fabricados con los moldes diseñados y fabricados por PROMOSAL.


We have specialized in the complex design of moulds for rotomoulding as well as in the production area of ​​sporting goods such as balls and PVC balls in all sports disciplines.

Technical office

We have a Modern Technical Office, equipped with the latest CAD/CAM technology on the market to offer the best services and quality results to our clients.

Modelo 3D de una corona de moldes para la fabricación de pelota lisa.


We have the most cutting-edge technology that exists on the market for design, manufacturing, and assembly in our facilities as a Technical Design Office equipped with the CAD-CAM Tebis and Solidworks  system and software, precision machinery such as CNC milling machines, CNC lathes, EDM, laser marking, 3D printer, etc.

Design and Manufacturing

We design all our moulds and mould closure systems in 3D, which are then manufactured in our facilities exactly as designed thanks to the precision of our CNC machines and the sophisticated Tebis CAD-CAM software of German origin, which together with the high experience of more than 35 years and the high qualification of its operators make our company a world pioneer in this field.


Likewise, research into new materials and alloys means that we work with the best and most suitable materials for each type of production, whether foundry aluminum or duraluminium, as well as special and treated steels.


For all these reasons, PROMOSAL is a true specialist in rotomoulding with clients spread all over the world and with a proven quality guaranteed by the fact that it is a supplier to the best global manufacturers of PVC products (balls, nautical and maritime products, re-inflatable valves, etc.) and Polyethylene.