| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Fusheng | China national standards | MT | 1101.29 | USD | 20251125 |
| Shandong Qiangsen Chem | China national standards | MT | 889.5 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Yushuo Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Yushuo Chem | China national standards | MT | 1002.46 | USD | 20251125 |
| Nanjing Waien Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Nanjing Waien Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Nanjing Guanshan Energy | China national standards | MT | 924.8 | USD | 20251125 |
| Shandong Daoqin Chem | China national standards | MT | 945.98 | USD | 20251125 |