| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Huayi | China national standards | MT | 962.0 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1145.91 | USD | 20251211 |
| Sinopec | China national standards | MT | 891.27 | USD | 20251211 |
| Jinan Aochen Chem | China national standards | MT | 962.0 | USD | 20251211 |
| Wanhua Yantai | China national standards | MT | 778.09 | USD | 20251211 |
| Jinan Qi Mat | China national standards | MT | 1032.74 | USD | 20251211 |
| Satellite Chem | China national standards | MT | 834.68 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 792.24 | USD | 20251211 |
| Sinopec | China national standards | MT | 778.09 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1046.88 | USD | 20251211 |