| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 790.34 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 776.22 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 804.45 | USD | 20251110 |
| Shandong Yeyang Chem | China national standards | MT | 776.22 | USD | 20251110 |
| Wanhua Chem | China national standards | MT | 762.11 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Shandong Hongyang Chem | China national standards | MT | 959.69 | USD | 20251110 |
| Lihuayi Shandong | China national standards | MT | 959.69 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 973.81 | USD | 20251110 |
| Shandong Zhiheng | China national standards | MT | 945.58 | USD | 20251110 |