|  | Supplier | 
| www.sinobiochem.com | 
Ningbo Create-Bio Engineering Co., Ltd.   China
| www.manhaymed.com | 
Nanjing Manhay Medical Technology Co.,Ltd   China
| www.kraeber.de | 
| www.solvias.com | 
| www.arranchemical.ie | 
Arran Chemical Company   Ireland
| www.barringtonnutritionals.com | 
| www.comwin-china.com | 
Changzhou ComWin Fine Chemicals Co.,Ltd.   China

| www.bionutri.co.uk | 
| www.haedener.ch | 
Hädener Rohstoffe GmbH   Switzerland
| www.atshph.cn | 
Antuos Nanotechnology (Suzhou) Co., Ltd.   China
| www.sdlookchem.com | 
ShanDong look chemical Co.,Ltd.   China
| www.xnyochem.com | 
Liaoyang Xinyou Chemical Products Co., Ltd.    China

| www.acamarket.com.ar | 
| www.abiquifi.org.br | 
Associaçao Brasileira Da Indústria Farmoquímica-Abiquif   Brazil
| www.tlcstandards.com | 
TLC Pharmaceutical Standards Ltd.   Canada
| www.abcr.de | 
| www.acpharmtech.com | 
| www.imcdca.com | 
| www.accelachem.com |