| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1256.07 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Jinwen Chem | China national standards | MT | 1213.73 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Shandong Jinling Chem | China national standards | MT | 1100.82 | USD | 20251118 |
| Shandong Lifuda | China national standards | MT | 1100.82 | USD | 20251118 |
| Dongying Huatai Chem | China national standards | MT | 1086.71 | USD | 20251118 |
| Shandong Jinmao | China national standards | MT | 1298.41 | USD | 20251118 |
| Nanjing Runhua Chem | China national standards | MT | 1129.05 | USD | 20251118 |
| Sinopec | China national standards | MT | 1114.94 | USD | 20251118 |