| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 770.5 | USD | 20251204 |
| JIN Yimeng | China national standards | MT | 706.88 | USD | 20251204 |
| Yankuang Guotai Chem | China national standards | MT | 711.12 | USD | 20251204 |
| Hubei 789 Chem | China national standards | MT | 770.5 | USD | 20251204 |
| Anhui Ruibai | China national standards | MT | 812.92 | USD | 20251204 |
| JIN Yimeng | China national standards | MT | 805.85 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 721.02 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 869.47 | USD | 20251204 |
| Shandong Yuanhe Chem | China national standards | MT | 904.81 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 721.02 | USD | 20251204 |