Roberto Rondanini, the father of the actual company owner, started his business with a moulding shop focusing on the electrical sector

The history of Polmix began in 1961, when, the father of the current owner, Mr. Roberto Rondanini started his business in the field of thermosetting polymers, mainly in the production of electrical components.


STAMPOL s.r.l.

Marco Rondanini with the support of the achieved 20 years RONDANINI’s market knowledge and experience launched his own company focused on the production of thermosetting composites

With the arrival of his son, Marco Rondanini, in 1985 the company took new and innovative paths: keeping the roots of he renewed the company vision by bringing to the purely operational business model an engineering component and a totally new approach.


POLMIX s.r.l

Merging between RONDANINI s.r.l. and STAMPOL s.r.l.4


New POLMIX headquarter

Company relocationin a brand-new site in Busto Arsizio (VA)

That’s how the production of SMC and BMC started, and it became the real strength of the company. Over the years, the technical and commercial skills intensified a lot giving the possibility to offer customers ad hoc formulations and always in step with the new technologies. This growth led to the creation of the new headquarters built in 2002.


New 2.000 mq warehouse

Due to higher demand and to increase productivity POLMIX built a new warehouse


POLMIX s.p.a

POLMIX became a joint stock company

In recent years Polmix has succeeded in entering new and very different sectors: always renewing itself in the historical ones such as the electrical sector and experimenting in new ones such as the automotive and design sectors.

In addition, Polmix is aware of the impact that its reality has on the environment, for this reason it has always been committed to sustainability projects to minimize its effects on nature.

Via Marzoli Massari 7
21052 - Busto Arsizio