| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.01 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.69 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 761.94 | USD | 20251119 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.54 | USD | 20251117 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.56 | USD | 20251115 |