| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 942.53 | USD | 20250918 |
| Shandong Hongyang Chem | China national standards | MT | 956.6 | USD | 20250918 |
| Lihuayi Shandong | China national standards | MT | 956.6 | USD | 20250918 |
| Luxi Chem | China national standards | MT | 970.67 | USD | 20250918 |
| Shaanxi Petro Yanan | China national standards | MT | 1060.37 | USD | 20250917 |
| Shaanxi Petro Yanan | China national standards | MT | 795.63 | USD | 20250917 |
| Zibo Lishuo Chem | China national standards | MT | 915.14 | USD | 20250916 |
| Zibo Lishuo Chem | China national standards | MT | 915.14 | USD | 20250916 |
| Zibo Lishuo Chem | China national standards | MT | 915.14 | USD | 20250916 |
| Zibo Lishuo Chem | China national standards | MT | 915.14 | USD | 20250916 |