| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.65 | USD | 20250912 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.8 | USD | 20250909 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.43 | USD | 20250908 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.51 | USD | 20250908 |