| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 844.42 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 1027.37 | USD | 20250930 |
| Jinan Aochen Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Wells Chem | China national standards | MT | 816.27 | USD | 20250930 |