| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Advanced Chemtech, Inc. USA | +1-502-960-0000 | +1-502-962-5368 | USA | REQUEST |
| Bachem AG | +41 58 595 2021 | +41 58 595 2040 | Switzerland | REQUEST |
| BuGuCh & Partners | Germany | REQUEST | ||
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-571-88938639 | +86-571-8893-8652 | P.R.China | REQUEST |
| Hangzhou Lingrui Chemical Co., Ltd. | +86-571-88092529 | +86-571-87334908 | P.R.China | REQUEST |
| Iris Biotech GmbH | +49-(0)9231-97121-0 | +49-(0)9231-97121-99 | Germany | REQUEST |
| Shandong SanYoung Industry Co., Ltd | +86 155-64526813 | +86 531-56897532 | P.R.China | REQUEST |
| Win-Win Chemical Co., Limited | +86-577-64498589 | +86-577-56994596 | P.R.China | REQUEST |