| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 256.94 | USD | 20251112 |
| Shandong Jinling Chem | China national standards | MT | 256.94 | USD | 20251112 |
| Shandong Jinling Chem | China national standards | MT | 256.94 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 268.24 | USD | 20251112 |
| Shandong Hanyue Chem | China national standards | MT | 268.24 | USD | 20251112 |
| Shanghai Guoke | China national standards | MT | 458.83 | USD | 20251112 |
| Shandong Zhenkun | China national standards | MT | 303.53 | USD | 20251112 |
| Luxi Chem | China national standards | MT | 303.53 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 360.0 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 360.0 | USD | 20251112 |