| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 804.71 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 776.47 | USD | 20251112 |
| Shandong Energy | China national standards | MT | 790.59 | USD | 20251112 |
| Shandong Yeyang Chem | China national standards | MT | 776.47 | USD | 20251112 |
| Wanhua Chem | China national standards | MT | 762.36 | USD | 20251112 |
| Shandong Hongyang Chem | China national standards | MT | 960.0 | USD | 20251112 |
| Lihuayi Shandong | China national standards | MT | 960.0 | USD | 20251112 |
| Luxi Chem | China national standards | MT | 974.12 | USD | 20251112 |
| Shandong Zhiheng | China national standards | MT | 945.89 | USD | 20251112 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.06 | USD | 20251112 |