| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Hongyang Chem | China national standards | MT | 1130.04 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1045.29 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Fusheng | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1045.29 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1101.79 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 819.28 | USD | 20251202 |