| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1115.41 | USD | 20251125 |
| Shandong Jinling | China national standards | MT | 1136.59 | USD | 20251125 |
| Sinopec | China national standards | MT | 1154.94 | USD | 20251125 |
| Shandong Lifuda | China national standards | MT | 1129.53 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Dongying Huatai Chem | China national standards | MT | 1101.29 | USD | 20251125 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Jinling Chem | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Jinling Chem | China national standards | MT | 1129.53 | USD | 20251125 |