| Company | URL |
|---|---|
| 1ug Chem Co., Ltd. (壹微克化学有限公司) | www.1ugchem.com |
| 1-Material (1-Material) | www.1-material.com |
| 2A Pharmachem USA (2A Pharmachem USA) | www.2apharmachem.com |
| 3C Chemical Co., Ltd. (南京联腾化工有限公司) | www.3cchem.com |
| 4Fa Chemicals (4Fa Chemicals) | 4fachemicals.com |
| 718th Research Institute of China Shipbuilding Industry Corporation (邯郸净化设备研究所) | www.peric.ac.cn |