| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251110 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251110 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |