| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.13 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.45 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.49 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.93 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.02 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.89 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.2 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.34 | USD | 20251017 |