| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.0 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.95 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.6 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.73 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 922.26 | USD | 20251014 |