| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 942.26 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 928.19 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 928.19 | USD | 20250922 |
| Shanghai Guoke | China national standards | MT | 1276.97 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1103.99 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1111.02 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1111.02 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Junfeng | China national standards | MT | 984.45 | USD | 20250922 |