| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 889.03 | USD | 20251030 |
| Tongling ChemInd | China national standards | MT | 832.58 | USD | 20251030 |
| Shandong Hongxin Chem | China national standards | MT | 846.69 | USD | 20251030 |
| Shandong Hongxin Chem | China national standards | MT | 917.25 | USD | 20251030 |
| Henan Zihe | China national standards | MT | 818.47 | USD | 20251030 |
| Shandong Jinshenrun Chem | China national standards | MT | 846.69 | USD | 20251030 |
| Shandong Qiangsen Chem | China national standards | MT | 945.47 | USD | 20251030 |
| Jinan Shengfeng | China national standards | MT | 903.14 | USD | 20251030 |
| Shandong Hongxin Chem | China national standards | MT | 1030.14 | USD | 20251030 |
| Shijiaz Bailong Chem | China national standards | MT | 1030.14 | USD | 20251030 |