Main topics

• Why Grinnum?
• Our activities
• About us
• Our portfolio
• About Apsnap, Air purifying and sanitising nano additive powder
• About Soleric, Organic Solar Polymer
• About BIODAP, a Biodegradable and anti-bacterial polymer
• Grinnum's investor club
• Grinnum's inventor/startup club
• Grinnum's facilitator club
• Contact us