| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.23 | USD | 20251115 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.23 | USD | 20251114 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 987.79 | USD | 20251113 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 973.68 | USD | 20251113 |