| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1256.62 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1284.86 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1108.37 | USD | 20251115 |
| Shandong Jinwen Chem | China national standards | MT | 1044.83 | USD | 20251115 |
| Shandong Langchem | China national standards | MT | 1080.13 | USD | 20251114 |
| Shandong Fusheng | China national standards | MT | 818.92 | USD | 20251114 |
| Shandong Fusheng | China national standards | MT | 818.92 | USD | 20251114 |
| Shandong Zhiheng | China national standards | MT | 1256.62 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 1129.54 | USD | 20251114 |
| Nanjing Runsheng Petro | China national standards | MT | 889.52 | USD | 20251114 |