| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.44 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.57 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.91 | USD | 20251011 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.91 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.95 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.31 | USD | 20251009 |