| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.16 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.42 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.42 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.78 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.78 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.56 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.56 | USD | 20251028 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.14 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.14 | USD | 20251027 |