| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.12 | USD | 20251112 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.96 | USD | 20251110 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.1 | USD | 20251107 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.9 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.65 | USD | 20251105 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.76 | USD | 20251104 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.88 | USD | 20251103 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251101 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251031 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.9 | USD | 20251030 |