| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1115.3 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1397.65 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1263.54 | USD | 20251112 |
| Shandong Jinling Chem | China national standards | MT | 1044.71 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1256.48 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1334.12 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1411.77 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1432.95 | USD | 20251112 |