| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 986.29 | USD | 20251020 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 972.2 | USD | 20251020 |