| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.1 | USD | 20251208 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 753.21 | USD | 20251208 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251207 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 831.11 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 791.53 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 777.4 | USD | 20251207 |