| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| Bachem AG | +41 58 595 2021 | +41 58 595 2040 | Switzerland | REQUEST |
| BIOZOL Diagnostica Vertrieb GmbH | +49-871-966346-0 | +49-871-966346-13 | Germany | REQUEST |
| BLD Pharmatech Ltd | +86-21-61629022 | +86-21-50201702 | P.R.China | 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 |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Shanghai Hanhong Scientific Co., Ltd. | +86 21 64762736 | +86 21 54291107 | P.R.China | REQUEST |