| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 959.48 | USD | 20251119 |
| Nantong Zhonghe Chem | China national standards | MT | 804.27 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 712.55 | USD | 20251119 |
| Sinopec | China national standards | MT | 1058.25 | USD | 20251119 |
| Lihuayi Shandong | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 987.7 | USD | 20251119 |
| CNPC | China national standards | MT | 712.55 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 818.38 | USD | 20251119 |
| Shandong Energy | China national standards | MT | 1015.92 | USD | 20251119 |