| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petro | China national standards | MT | 1554.57 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Fusheng | Industrial Grade | MT | 798.48 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Aite Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shanghai Ronghe Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 749.02 | USD | 20251201 |