| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Hualu | China national standards | MT | 939.62 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1102.12 | USD | 20251209 |
| Xinjiang Tianli Petro | China national standards | MT | 1271.67 | USD | 20251209 |
| Shandong Haili Chem | China national standards | MT | 1201.02 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Shuojia Chem | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Aite Chem | China national standards | MT | 1130.37 | USD | 20251209 |