| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Sinopec | China national standards | MT | 841.75 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Beijing Yanshan Petro | China national standards | MT | 1061.03 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1244.94 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1244.94 | USD | 20251211 |