| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1312.22 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 895.98 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 895.98 | USD | 20251119 |
| Sinopec | China national standards | MT | 903.04 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Sinopec | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Mingyu | China national standards | MT | 1030.03 | USD | 20251119 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.06 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1298.11 | USD | 20251119 |
| Hubei 789 Chem | China national standards | MT | 1298.11 | USD | 20251119 |