| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1109.32 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 1017.47 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1285.96 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1257.7 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Laya Chem | China national standards | MT | 1003.34 | USD | 20251208 |
| Nanjing Runsheng Petro | China national standards | MT | 989.2 | USD | 20251208 |