Costruzione stampi e stampaggio materie plastiche 
Fratelli MOTTA s.r.l. was founded in Ronco Briantino on 1950 as a company specialized in mold making and injection molding of plastics
Over the years, parallelly to the mold design and manufacturing on customer design and molding of production, develops its own range of products such as coils and boxes for electrical transformers, boxes for toroidal windings, reels and other media for use in specific areas of electronics and lighting