| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Dr. Paul Lohmann GmbH & Co. KGaA | +49 5155 63-0 | +49 5155 63 5834 | Germany | REQUEST |
| Irvine Materials Inc. | +1 949-333-1485 | USA | REQUEST | |
| Leap Chem Co., Ltd | +852-30606658 | P.R.China | REQUEST | |
| Wuhan PharmChem Co., LTD. | +86 27 85835203 | +86 27 85835203 | P.R.China | REQUEST |