| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1108.24 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1284.71 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1256.48 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1101.18 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1101.18 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1080.01 | USD | 20251112 |
| Nanjing Runsheng Petro | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1255.89 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 1044.22 | USD | 20251111 |