Mixed plastics recycling

Sostenplas was born in Segovia, Spain with a team with extensive international experience in Plastics Recycling technology. We speak several languages: Spanish, English, French, Portuguese, Italian and Chinese. We work with companies from all over the European Union and from the American and Asian continents.

Our values


All of our procedures comply with international environmental standards. 


All our procedures work through an innovative process where we recycle any type of plastic to give them a new life. 

Personalized attention

We advise you from minute zero so that your experience with us is the most comfortable for you. 

Guaranteed satisfaction

Thanks to our attention and services we make our clients end up satisfied with our work. 


At Sostenplas we provide our services complying with the highest international Environmental Standards such as ISO 14001: 2015, ISO 9001: 2015, WEEELABEX or RoHS, giving full traceability of the materials treated in our facilities or through our network of collaborators.

Treatment of mixed WEEE plastics

Through an innovative process we recycle mixed plastics coming from Electronic and Electrical Appliances to give them a new life, complying with RoHS regulations.

Transformation and recycling in our facilities

Our processes can be adapted to recycle different plastics, depending on our customers’ needs. 

Purchase and sale of mixed plastics

If we cannot treat the plastic in our facilities, our experts will know how to give you the best solution, so that they are recycled.  

Ongoing recycling programs

We design recycling programs for companies that generate waste in their production or for brand owners that have the commitment to collect their plastic products after they have been used. 

Strategic sustainability consulting

We put our knowledge in environmental, legal and certification matters at your disposal to advise and train you in improving sustainability and recycling in your operations.  


At Sostenplas we work with a wide variety of plastics, among them are:

  • PS
  • ABS
  • PP
  • PC/ABS
  • PE

Do you want to know more about our products and services? Get in touch with us by clicking here