| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| CNPC | China national standards | MT | 932.35 | USD | 20251129 |
| Sinopec | China national standards | MT | 1101.87 | USD | 20251129 |
| Shandong Jinwen Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Derun Chem | China national standards | MT | 932.35 | USD | 20251129 |
| Shandong Chambroad | China national standards | MT | 734.58 | USD | 20251128 |
| Derun Chem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Chambroad | China national standards | MT | 734.58 | USD | 20251128 |
| Jinan Jiaxing Chem | China national standards | MT | 889.97 | USD | 20251128 |
| Qingdao Shengze Chem | China national standards | MT | 734.58 | USD | 20251128 |