| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1078.24 | USD | 20251017 |
| Shandong Xima | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Qiangsen Chem | China national standards | MT | 986.62 | USD | 20251017 |
| Lihuayi Shandong | China national standards | MT | 902.06 | USD | 20251017 |
| Shandong Yihe Chem | China national standards | MT | 1000.72 | USD | 20251017 |
| Shandong Yihe Chem | China national standards | MT | 986.62 | USD | 20251017 |
| Jinan Angxin Chem | China national standards | MT | 916.15 | USD | 20251017 |
| Jinan Angxin Chem | China national standards | MT | 916.15 | USD | 20251017 |
| Nanjing Baitu Chem | China national standards | MT | 1085.29 | USD | 20251017 |
| Shandong Jinwen Chem | China national standards | MT | 1043.0 | USD | 20251017 |