| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Waien Chem | China national standards | MT | 917.35 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 945.58 | USD | 20251118 |
| Shandong Hualu | China national standards | MT | 931.47 | USD | 20251118 |
| Nanjing Guanshan Energy | China national standards | MT | 938.52 | USD | 20251118 |
| Nanjing Guanshan Energy | China national standards | MT | 924.41 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 931.99 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 931.99 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 1002.6 | USD | 20251117 |
| Xiamen Yudeshun Chem | China national standards | MT | 1680.41 | USD | 20251117 |