| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 854.65 | USD | 20251128 |
| Shandong Yushuo Chem | China national standards | MT | 720.45 | USD | 20251128 |
| Shandong Shuojia Chem | China national standards | MT | 727.51 | USD | 20251128 |
| Shijiaz Bailong Chem | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Feiyang Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 889.97 | USD | 20251128 |
| Hubei 789 Chem | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Yushuo Chem | China national standards | MT | 727.51 | USD | 20251128 |
| Shandong Wonfull Petro | China national standards | MT | 847.59 | USD | 20251128 |
| Shandong Xima | China national standards | MT | 706.32 | USD | 20251128 |