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