| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan JinyuChem | China national standards | MT | 1017.54 | USD | 20251201 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Shandong Hanyue Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Daoqin Chem | China national standards | MT | 1200.75 | USD | 20251130 |
| Shandong Daoqin Chem | China national standards | MT | 1200.75 | USD | 20251129 |
| Shanghai SinoMitsui | China national standards | MT | 1017.11 | USD | 20251129 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1087.74 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 1257.26 | USD | 20251129 |
| Sinopec | China national standards | MT | 1073.61 | USD | 20251129 |