| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.43 | USD | 20251128 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.5 | USD | 20251127 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.38 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.02 | USD | 20251124 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.83 | USD | 20251121 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.62 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.85 | USD | 20251119 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 493.96 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.24 | USD | 20251117 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 494.18 | USD | 20251114 |