| Vendor | Spec | Unit | Price | Currency | Date |
| Formosa Ningbo | China national standards | MT | 985.62 | USD | 20251014 |
| Formosa Ningbo | China national standards | MT | 887.06 | USD | 20251014 |
| Jinan Pulaihua Chem | China national standards | MT | 802.58 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1140.51 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 985.62 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Lishuo Chem | China national standards | MT | 844.82 | USD | 20251014 |