| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Jinan Angxin Chem | China national standards | MT | 889.5 | USD | 20251125 |
| Jinan Angxin Chem | China national standards | MT | 889.5 | USD | 20251125 |
| Shandong Laya Chem | China national standards | MT | 1002.46 | USD | 20251125 |
| Wuhan Hengjiu Chem | China national standards | MT | 1129.53 | USD | 20251125 |
| Wuhan Hengjiu Chem | China national standards | MT | 1129.53 | USD | 20251125 |
| Liao Jinxinda | China national standards | MT | 853.95 | USD | 20251124 |
| Qingdao Shengze Chem | China national standards | MT | 839.84 | USD | 20251124 |
| Shandong Zhenkun | China national standards | MT | 1079.79 | USD | 20251124 |