| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.16 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 949.97 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 948.67 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 794.07 | USD | 20250928 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 794.07 | USD | 20250926 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 948.67 | USD | 20250926 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 949.94 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.14 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 949.94 | USD | 20250924 |