| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 990.3 | USD | 20251211 |
| 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 |