| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1107.72 | USD | 20251111 |
| Jinan Angxin Chem | China national standards | MT | 860.78 | USD | 20251111 |
| Jinan Angxin Chem | China national standards | MT | 860.78 | USD | 20251111 |
| Aite Zhejiang | China national standards | MT | 1030.11 | USD | 20251111 |
| Aite Zhejiang | China national standards | MT | 1072.45 | USD | 20251111 |
| Shandong Zhenkun | China national standards | MT | 1079.5 | USD | 20251111 |
| Shandong Fusheng | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Fusheng | China national standards | MT | 1058.34 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1128.89 | USD | 20251111 |