| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 927.59 | USD | 20250926 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.8 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.8 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.8 | USD | 20250923 |