| Vendor | Spec | Unit | Price | Currency | Date |
| Chengdu Rongjiaxin Chem | China national standards | MT | 675.09 | USD | 20251009 |
| Shandong Zhiheng | China national standards | MT | 632.89 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 668.05 | USD | 20251009 |
| Sinopec | China national standards | MT | 639.93 | USD | 20251009 |
| Satellite Chem | China national standards | MT | 580.86 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 541.48 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 541.48 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 541.48 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 541.48 | USD | 20251009 |
| Shandong Junfeng | China national standards | MT | 618.83 | USD | 20251009 |