| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1168.22 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Zhiheng | China national standards | MT | 1126.0 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1118.96 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1185.11 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 1090.81 | USD | 20251011 |
| Dongying HuataiChem | China national standards | MT | 1041.55 | USD | 20251011 |
| Shandong Jinling Chem | China national standards | MT | 1041.55 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 1027.47 | USD | 20251011 |
| Shandong Mingyu | China national standards | MT | 1210.45 | USD | 20251011 |