| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Yaoming Chem | China national standards | MT | 832.56 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1143.0 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 987.78 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 804.33 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 1199.45 | USD | 20251111 |
| Jinan Jinhao Chem | China national standards | MT | 1114.78 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 917.22 | USD | 20251111 |
| Jinan Aochen Chem | China national standards | MT | 1241.78 | USD | 20251111 |
| Shandong Kaitai Petro | China national standards | MT | 917.22 | USD | 20251111 |