| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 804.18 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 775.96 | USD | 20251031 |
| Wanhua Chem | China national standards | MT | 761.85 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 775.96 | USD | 20251031 |
| Shandong Energy | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 959.37 | USD | 20251031 |
| Lihuayi Shandong | China national standards | MT | 959.37 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 973.48 | USD | 20251031 |
| Shandong Zhiheng | China national standards | MT | 945.26 | USD | 20251031 |