| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1070.83 | USD | 20251020 |
| Wanhua Chem | China national standards | MT | 1042.65 | USD | 20251020 |
| Jurong Jiangsu | China national standards | MT | 915.84 | USD | 20251020 |
| Sinopec | China national standards | MT | 789.03 | USD | 20251020 |
| Sinopec | China national standards | MT | 887.66 | USD | 20251020 |
| Sinopec | China national standards | MT | 873.57 | USD | 20251020 |
| Sinopec | China national standards | MT | 879.21 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 894.71 | USD | 20251020 |
| Jinan Dezheng Chem | China national standards | MT | 1028.56 | USD | 20251020 |