| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.27 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |