| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| BIOZOL Diagnostica Vertrieb GmbH | +49-871-966346-0 | +49-871-966346-13 | Germany | REQUEST |
| Nantong Xindao Biotech Ltd | +86 19033786557 | P.R.China | REQUEST | |
| Richman Chemical Inc., | +1-215-628-2946 | +1-215-628-4262 | USA | REQUEST |