| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Luxi Chem | China national standards | MT | 548.87 | USD | 20250930 |
| Shandong Hualu | China national standards | MT | 333.54 | USD | 20250930 |
| Shijiazhuang Baipo Chem | China national standards | MT | 308.21 | USD | 20250930 |
| Shandong Shuntian Chem | China national standards | MT | 309.62 | USD | 20250930 |
| Shijiazhuang Baipo Chem | China national standards | MT | 315.1 | USD | 20250929 |
| Shandong Shuntian Chem | China national standards | MT | 309.47 | USD | 20250929 |
| Shandong Luxi Chem | China national standards | MT | 548.61 | USD | 20250929 |
| Shandong Hualu | China national standards | MT | 337.6 | USD | 20250929 |
| Nantong Zhonghe Chem | China national standards | MT | 388.25 | USD | 20250929 |
| Shijiazhuang Baipo Chem | China national standards | MT | 321.85 | USD | 20250928 |