| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1101.31 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 1482.53 | USD | 20251114 |
| Sinopec | China national standards | MT | 1115.43 | USD | 20251114 |
| Nanjing Runhua Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Dongying Huatai Chem | China national standards | MT | 1073.07 | USD | 20251114 |
| Jinan Aochen Chem | China national standards | MT | 1553.12 | USD | 20251114 |
| Shandong Lifuda | China national standards | MT | 1094.25 | USD | 20251114 |
| Shandong Jinling Chem | China national standards | MT | 1101.31 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1214.26 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1397.81 | USD | 20251114 |