| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| BLD Pharmatech Ltd | +86-21-61629022 | +86-21-50201702 | P.R.China | REQUEST |
| Hangzhou Trylead Chemical Technology Co., Ltd. | +86-571-87086220 | +86-571-87012927 | P.R.China | REQUEST |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST |