| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1100.45 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 878.95 | USD | 20251101 |
| Shandong Laya Chem | China national standards | MT | 973.48 | USD | 20251101 |
| Sinopec | China national standards | MT | 884.59 | USD | 20251101 |
| Sinopec | China national standards | MT | 884.59 | USD | 20251101 |
| Shaanxi Yanchang Petro | China national standards | MT | 884.59 | USD | 20251101 |
| Lihuayi Shandong | China national standards | MT | 884.59 | USD | 20251101 |
| Zibo Lishuo Chem | China national standards | MT | 987.58 | USD | 20251101 |
| Zibo Lishuo Chem | China national standards | MT | 987.58 | USD | 20251101 |
| Zibo Lishuo Chem | China national standards | MT | 987.58 | USD | 20251101 |