| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 874.66 | USD | 20251104 |
| Luxi Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Sinopec | China national standards | MT | 1058.05 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 1058.05 | USD | 20251104 |
| Jinan Aochen Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Luxi Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Qiancheng | China national standards | MT | 846.44 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 846.44 | USD | 20251104 |
| Luxi Chem | China national standards | MT | 846.44 | USD | 20251104 |
| Qingdao Shengze Chem | China national standards | MT | 726.53 | USD | 20251104 |