| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 816.66 | USD | 20251014 |
| Jinan Angxin Chem | China national standards | MT | 802.58 | USD | 20251014 |
| Shandong Wonfull Petro | China national standards | MT | 802.58 | USD | 20251014 |
| Shandong Xima | China national standards | MT | 704.02 | USD | 20251014 |
| Shandong Xima | China national standards | MT | 704.02 | USD | 20251014 |
| Shandong Qiangsen Chem | China national standards | MT | 802.58 | USD | 20251014 |
| Shandong Qiangsen Chem | China national standards | MT | 802.58 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 851.86 | USD | 20251014 |
| Shandong Jinwen Chem | China national standards | MT | 851.86 | USD | 20251014 |