| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.9 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.9 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.41 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.41 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1191.8 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1191.8 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.07 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.07 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.37 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1192.37 | USD | 20251103 |