supplier list
- Sigma-Aldrich Chemie GmbH
- Tel:800 558-9160
- Address: Industriestrasse 25CH-9471 Buchs SGSwitzerland
- Shanghai Hope Chem Co., Ltd.
- Tel:86-21-61723543
- Address: Room508, Building1, No.88 CaiLun Road Zhangjiang H
- Boc Sciences
- Tel:1-631-5046093
- Address: 45-16 Ramsey Road, Shirley, NY 11967, USA