| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Chemvon Biotechnology Co. Ltd. | +86-21-50790412 | +86-21-50790419 | P.R.China | REQUEST |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-571-88938639 | +86-571-8893-8652 | P.R.China | REQUEST |
| Junwee Chemical Co., Ltd. | +86-571-85808638 | +86-571-85808639 | P.R.China | REQUEST |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Merck Schuchardt OHG | +49-8102-802 0 | +49-8102-802 175 | Germany | REQUEST |
| Shanghai Hanhong Scientific Co., Ltd. | +86 21 64762736 | +86 21 54291107 | P.R.China | REQUEST |