| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1312.35 | USD | 20251113 |
| Luxi Chem | China national standards | MT | 846.68 | USD | 20251113 |
| Liaocheng Yuanze Chem | China national standards | MT | 874.9 | USD | 20251113 |
| 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 Hongyang Chem | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 1256.48 | USD | 20251112 |
| Wuhan Hengjiu Chem | China national standards | MT | 1129.42 | USD | 20251112 |