| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1057.41 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 1057.41 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 1057.41 | USD | 20251025 |
| Shandong Jinling Chem | China national standards | MT | 1057.41 | USD | 20251025 |
| Befar | China national standards | MT | 888.22 | USD | 20251025 |
| Shandong Junfeng | China national standards | MT | 1198.4 | USD | 20251025 |
| Shandong Jinling Chem | China national standards | MT | 1029.21 | USD | 20251025 |
| Wanhua Chem | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Zhiheng | China national standards | MT | 1170.2 | USD | 20251024 |
| Shandong Zhiheng | China national standards | MT | 1127.9 | USD | 20251024 |