| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1269.75 | USD | 20251031 |
| Shanghai QianChem | China national standards | MT | 1058.13 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1058.13 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Energy | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Laya Chem | China national standards | MT | 790.07 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 1022.86 | USD | 20251031 |
| Shaanxi Petro Yanan | China national standards | MT | 1062.36 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Energy | China national standards | MT | 1015.8 | USD | 20251031 |