| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.96 | USD | 20251128 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.83 | USD | 20251128 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 777.07 | USD | 20251127 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.75 | USD | 20251126 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.88 | USD | 20251126 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.55 | USD | 20251125 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.32 | USD | 20251124 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 762.21 | USD | 20251124 |