| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 975.28 | USD | 20251205 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |