| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong LuoHeng Chem | China national standards | MT | 1932.84 | USD | 20251031 |
| Shandong Xingpeng Chem | China national standards | MT | 1114.56 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 1297.97 | USD | 20251031 |
| Shandong Yihe Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Jinmao | China national standards | MT | 1297.97 | USD | 20251031 |
| Shandong Langchem | China national standards | MT | 1396.73 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 1432.0 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 1255.64 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1382.62 | USD | 20251031 |