| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 591.98 | USD | 20251030 |
| Shandong Fusheng | China national standards | MT | 564.46 | USD | 20251030 |
| Shandong Fusheng | China national standards | MT | 705.58 | USD | 20251030 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 677.35 | USD | 20251030 |
| Shandong Zhenkun | China national standards | MT | 606.8 | USD | 20251030 |
| Shandong Zhenkun | China national standards | MT | 606.8 | USD | 20251030 |
| Sinopec | China national standards | MT | 677.35 | USD | 20251030 |
| Shandong Shuojia Chem | China national standards | MT | 677.35 | USD | 20251030 |
| Shandong LuoHeng Chem | China national standards | MT | 578.57 | USD | 20251030 |
| Shandong LuoHeng Chem | China national standards | MT | 578.57 | USD | 20251030 |