| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin Chem | China national standards | MT | 886.64 | USD | 20250930 |
| Zhenjiang UnionChem | China national standards | MT | 872.56 | USD | 20250930 |
| Shijiaz Bailong Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Hongxin Chem | China national standards | MT | 1027.37 | USD | 20250930 |
| Panjin Read Chem | China national standards | MT | 1027.37 | USD | 20250930 |
| Shijiaz Bailong Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Panjin Read Chem | China national standards | MT | 873.97 | USD | 20250930 |
| New SOLAR Tech | China national standards | MT | 883.82 | USD | 20250930 |