| Vendor | Spec | Unit | Price | Currency | Date |
| Wuhan Hengjiu Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 905.41 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 1032.74 | USD | 20251211 |
| Shandong Hanyue Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Hanyue Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Mingyu | China national standards | MT | 870.04 | USD | 20251211 |