| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinmao | China national standards | MT | 1298.21 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1396.98 | USD | 20251103 |
| Aite Zhejiang | China national standards | MT | 1298.21 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1432.26 | USD | 20251103 |
| Dongying Huatai Chem | China national standards | MT | 1072.43 | USD | 20251103 |
| Sinopec | China national standards | MT | 1093.6 | USD | 20251103 |
| Dongying Huatai Chem | China national standards | MT | 1100.45 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 1100.45 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 1128.67 | USD | 20251102 |
| Shandong Jinmao | China national standards | MT | 1100.45 | USD | 20251102 |