| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.17 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.17 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 369.64 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 324.49 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.17 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.17 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 324.57 | USD | 20251030 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.23 | USD | 20251030 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.23 | USD | 20251030 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.26 | USD | 20251028 |