| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 495.15 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 495.15 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.68 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.54 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.71 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.82 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.67 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.39 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.64 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.43 | USD | 20251129 |