| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling ChemInd | China national standards | MT | 831.83 | USD | 20251024 |
| Panjin Read Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Hongxin Chem | China national standards | MT | 958.72 | USD | 20251024 |
| Shandong Hongxin Chem | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Huize Chem | China national standards | MT | 930.65 | USD | 20251023 |
| Henan Zihe | China national standards | MT | 817.85 | USD | 20251023 |
| Shijiaz Bailong Chem | China national standards | MT | 1029.36 | USD | 20251023 |
| Jinan Shengfeng | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1029.36 | USD | 20251023 |
| Shandong Jinshenrun Chem | China national standards | MT | 846.05 | USD | 20251023 |