| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 1016.0 | USD | 20251111 |
| Luxi Chem | China national standards | MT | 1058.34 | USD | 20251111 |
| Luxi Chem | China national standards | MT | 889.0 | USD | 20251111 |
| Luxi Chem | China national standards | MT | 973.67 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 959.56 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 945.45 | USD | 20251111 |
| Shandong Huize Chem | China national standards | MT | 903.11 | USD | 20251111 |
| Shandong Energy | China national standards | MT | 1016.15 | USD | 20251110 |
| Luxi Chem | China national standards | MT | 1058.48 | USD | 20251110 |