| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| AK Scientific, Inc. | +1 (510) 429-8835 | +1 (510) 429-8836 | USA | REQUEST |
| BuGuCh & Partners | Germany | REQUEST | ||
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-571-88938639 | +86-571-8893-8652 | P.R.China | REQUEST |
| GFS Chemicals | +1-740-881 5501 | +1-740-881 5989 | USA | REQUEST |
| Hangzhou Zhongqi Chem Co., Ltd | +86-571-86976032 | +86-571-86972162 | P.R.China | REQUEST |