| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 976.15 | USD | 20251211 |
| Sinopec | China national standards | MT | 1011.52 | USD | 20251211 |
| Shandong Aite Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 891.27 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 862.97 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Sinopec | China national standards | MT | 990.3 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Kunlun Daqing Petro | China national standards | MT | 1018.59 | USD | 20251211 |
| Jinan Jinrihe Chem | China national standards | MT | 962.0 | USD | 20251211 |