| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1055.07 | USD | 20250918 |
| Jinan Pulaihua Chem | China national standards | MT | 1266.09 | USD | 20250918 |
| Shandong Yuhuang Chem | China national standards | MT | 1266.09 | USD | 20250918 |
| Sinopec | China national standards | MT | 1266.09 | USD | 20250918 |
| Sinopec | China national standards | MT | 1104.31 | USD | 20250918 |
| Lihuayi Shandong | China national standards | MT | 1104.31 | USD | 20250918 |
| Jinan Pulaihua Chem | China national standards | MT | 1181.68 | USD | 20250918 |
| Sinopec | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 956.6 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 956.6 | USD | 20250918 |