| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 908.51 | USD | 20251015 |
| Xiamen Yudeshun Chem | China national standards | MT | 1338.12 | USD | 20251015 |
| Shandong Huize Chem | China national standards | MT | 1056.41 | USD | 20251015 |
| Sinopec | China national standards | MT | 915.56 | USD | 20251015 |
| Sinopec | China national standards | MT | 915.56 | USD | 20251015 |
| Lihuayi Shandong | China national standards | MT | 915.56 | USD | 20251015 |
| Shandong Xingpeng Chem | China national standards | MT | 915.56 | USD | 20251015 |
| Lihuayi Shandong | China national standards | MT | 915.56 | USD | 20251015 |
| Lihuayi Shandong | China national standards | MT | 915.56 | USD | 20251015 |
| Lihuayi Shandong | China national standards | MT | 915.56 | USD | 20251015 |