| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 874.46 | USD | 20251105 |
| Sinopec | China national standards | MT | 881.51 | USD | 20251105 |
| Shandong Yuanhe Chem | China national standards | MT | 1057.81 | USD | 20251105 |
| Jinan Qi Mat | China national standards | MT | 874.46 | USD | 20251105 |
| Sinopec | China national standards | MT | 874.46 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 874.46 | USD | 20251105 |
| Hubei 789 Chem | China national standards | MT | 1297.58 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 874.46 | USD | 20251105 |
| Sinopec | China national standards | MT | 874.46 | USD | 20251105 |
| Lihuayi Shandong | China national standards | MT | 884.33 | USD | 20251105 |