| Supplier | Phone | Fax | Country | Inquiry contact |
|---|---|---|---|---|
| Entegris | USA | REQUEST | ||
| Evonik Corporation | +1 973 541-8000 | +1 973 541-8100 | USA | REQUEST |
| Sancai Industry Co.,Ltd. | +86-531-88913079 | +86-531-88913079 | P.R.China | REQUEST |
| Shanghai Sunwise Chemical Co., Ltd. | +86-21-33883180 | P.R.China | REQUEST |