- Afirmus Biosource Pte Ltd 2 Kallang Avenue #06-32, Singapore 339407 65-6604 6872 / 65-8163 7412 65-6604 6873 enquiry@afirmus.com www.afirmus.com
- Scientific Hub Services Pte Ltd (SHS) 16 Ayer Rajah Crescent, #04-06C, Singapore 139965 (65) 98502655 (65) 6640-1351 sales@sci-hub.com http://www.sci-hub.com