| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1160.06 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.96 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.63 | USD | 20251209 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1159.03 | USD | 20251205 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1159.29 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.95 | USD | 20251203 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.29 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.86 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.37 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1158.37 | USD | 20251128 |