| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |