| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 888.99 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 987.77 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 888.99 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 818.43 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 832.55 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 896.04 | USD | 20251103 |
| Jinan Aochen Chem | China national standards | MT | 1241.76 | USD | 20251103 |
| Shandong Kaitai Petro | China national standards | MT | 888.99 | USD | 20251103 |
| Shandong Kaitai Petro | China national standards | MT | 917.21 | USD | 20251103 |
| Shandong Yihe Chem | China national standards | MT | 790.07 | USD | 20251102 |