| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 311.24 | USD | 20251211 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 310.94 | USD | 20251210 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 325.02 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 325.09 | USD | 20251207 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.91 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.91 | USD | 20251129 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.91 | USD | 20251128 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.96 | USD | 20251127 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 324.88 | USD | 20251126 |