| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 924.08 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 945.25 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.47 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 923.6 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.75 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 930.65 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |