| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 924.64 | USD | 20251007 |
| Shandong Xingpeng Chem | China national standards | MT | 924.64 | USD | 20251006 |
| Shandong Xingpeng Chem | China national standards | MT | 924.64 | USD | 20251005 |
| Jinan Dezheng Chem | China national standards | MT | 957.01 | USD | 20251005 |
| Jinan Dezheng Chem | China national standards | MT | 957.01 | USD | 20251005 |
| Shaanxi Yanchang Petro | China national standards | MT | 957.01 | USD | 20251005 |
| Sinopec | China national standards | MT | 957.01 | USD | 20251005 |
| Lihuayi Shandong | China national standards | MT | 957.01 | USD | 20251005 |
| Lihuayi Shandong | China national standards | MT | 957.01 | USD | 20251004 |
| Sinopec | China national standards | MT | 957.01 | USD | 20251004 |