| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.74 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 971.17 | USD | 20251011 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |