|  | Supplier | 
| www.calchem.com | 
| www.berryassoc.com | 
| www.aablocks.com | 
| www.hellobio.com | 
| www.szbailitai.com | 
Suzhou Bailitai Technology Co., Ltd.    China
| www.vallourec.com | 
| wychem.com | 
| www.ruspol.spb.ru | 
| www.ascentscientific.com | 
| www.airliquide.de | 
Air Liquide Deutschland GmbH   Germany
| www.longhuapharm.com | 
Anhui Longhua Chemical Industry Co.,LTD   China

| www.standard.pl | 
| www.joyochem.com | 
| www.hydrus.co.jp | 
| www.all-chemistry.com | 
| www.carbonesci.com | 
Carbone Scientific Co., Ltd.   U.K.
| www.gsoextracts.com | 
| www.asiamericaingredients.com | 
Asiamerica Ingredients, Inc.   USA
Chemcolour Industries   Australia
| www.biolab-chemicals.com |