| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 868.72 | USD | 20251202 |
| Yankuang Guotai Chem | China national standards | MT | 833.4 | USD | 20251202 |
| JIN Yimeng | China national standards | MT | 805.15 | USD | 20251202 |
| Anhui Ruibai | China national standards | MT | 812.22 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 854.59 | USD | 20251202 |
| JIN Yimeng | China national standards | MT | 720.76 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Liao Jinxinda | China national standards | MT | 657.16 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 749.02 | USD | 20251201 |
| Yankuang Guotai Chem | China national standards | MT | 768.81 | USD | 20251201 |