| Vendor | Spec | Unit | Price | Currency | Date |
| Formosa Ningbo | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Yihe Chem | China national standards | MT | 790.22 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 917.22 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Jinwen Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Hubei 789 Chem | China national standards | MT | 818.45 | USD | 20251111 |
| Hubei 789 Chem | China national standards | MT | 818.45 | USD | 20251111 |
| Shanghai Huayi | China national standards | MT | 917.35 | USD | 20251110 |
| Shanghai Huayi | China national standards | MT | 959.69 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1058.48 | USD | 20251110 |