| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Fusheng | China national standards | MT | 888.76 | USD | 20251104 |
| Shandong Fusheng | China national standards | MT | 1100.37 | USD | 20251104 |
| Shandong Yihe Chem | China national standards | MT | 1269.66 | USD | 20251104 |
| Nanjing Guanshan Energy | China national standards | MT | 945.19 | USD | 20251104 |
| Shandong Hualu | China national standards | MT | 945.19 | USD | 20251104 |
| Shandong Hualu | China national standards | MT | 945.19 | USD | 20251104 |
| Nanjing Waien Chem | China national standards | MT | 945.19 | USD | 20251104 |
| Shandong Aite Chem | China national standards | MT | 1128.88 | USD | 20251103 |