| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.79 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.53 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.28 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.44 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.15 | USD | 20251020 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.31 | USD | 20251018 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.31 | USD | 20251017 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.18 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 492.99 | USD | 20251015 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 492.99 | USD | 20251015 |