| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.35 | USD | 20251111 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.47 | USD | 20251110 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.73 | USD | 20251107 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.36 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 906.9 | USD | 20251105 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.1 | USD | 20251104 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.33 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.17 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 907.37 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1016.33 | USD | 20251029 |