| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 970.67 | USD | 20250918 |
| Lihuayi Shandong | China national standards | MT | 980.52 | USD | 20250918 |
| Shandong Xingpeng Chem | China national standards | MT | 976.3 | USD | 20250918 |
| Sinopec | China national standards | MT | 956.6 | USD | 20250918 |
| Shaanxi Yanchang Petro | China national standards | MT | 956.6 | USD | 20250918 |
| Sinopec | China national standards | MT | 956.6 | USD | 20250918 |
| Shandong Yuhuang Chem | China national standards | MT | 1287.19 | USD | 20250918 |
| Shandong Yuhuang Chem | China national standards | MT | 1287.19 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 1329.39 | USD | 20250918 |
| Shandong Langchem | China national standards | MT | 1294.23 | USD | 20250918 |