| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.49 | USD | 20251013 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.33 | USD | 20251013 |
| China national standards | MT | 422.49 | USD | 20251013 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 327.95 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251012 |
| China national standards | MT | 365.95 | USD | 20251012 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.1 | USD | 20251012 |
| China national standards | MT | 422.25 | USD | 20251012 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.25 | USD | 20251012 |
| China national standards | MT | 295.57 | USD | 20251012 |