| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Mingyu | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Mingyu | China national standards | MT | 1213.46 | USD | 20251119 |
| Shandong Mingyu | China national standards | MT | 1255.79 | USD | 20251119 |
| Dongying HuataiChem | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Jinling Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Nantong Zhonghe Chem | China national standards | MT | 1030.03 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Yihe Chem | China national standards | MT | 987.7 | USD | 20251119 |