| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Zhongke Taihua | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Zhongke Taihua | China national standards | MT | 943.38 | USD | 20251014 |
| Shandong Wonfull Petro | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Zibo Qixiang Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Jinan Aochen Chem | China national standards | MT | 844.82 | USD | 20251014 |
| Shandong QiFa Chem | China national standards | MT | 887.06 | USD | 20251014 |
| Shijiaz Bailong Chem | China national standards | MT | 844.82 | USD | 20251014 |