| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| BIOZOL Diagnostica Vertrieb GmbH | +49-871-966346-0 | +49-871-966346-13 | Germany | REQUEST |
| Shandong Ench Chemical Co.,Ltd | +86-13869131854 | +86 531-8637666 | P.R.China | REQUEST |
| Sigma-Aldrich International GmbH | +41 81 755 28 28 | +41 81 755 28 15 | Switzerland | REQUEST |