| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1094.08 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.66 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1122.31 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1188.17 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.85 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.63 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.07 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1187.57 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1121.28 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.32 | USD | 20251104 |