| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 1001.61 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1061.03 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1457.15 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1457.15 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1266.16 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1131.77 | USD | 20251211 |
| Dongying Huatai Chem | China national standards | MT | 1089.32 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |