| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chem | China national standards | MT | 862.2 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 706.72 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1244.12 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 1060.33 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 706.88 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1074.46 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Luxi Chem | China national standards | MT | 1060.33 | USD | 20251204 |
| Sinopec | China national standards | MT | 1060.33 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1116.88 | USD | 20251204 |