| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 1058.48 | USD | 20251028 |
| Lihuayi Shandong | China national standards | MT | 733.88 | USD | 20251028 |
| Luxi Chem | China national standards | MT | 733.88 | USD | 20251028 |
| Qingdao Shengze Chem | China national standards | MT | 733.88 | USD | 20251028 |
| Qingdao Shengze Chem | China national standards | MT | 733.88 | USD | 20251028 |
| Luxi Chem | China national standards | MT | 1058.48 | USD | 20251028 |
| Jinan Aochen Chem | China national standards | MT | 1058.48 | USD | 20251028 |
| Lihuayi Shandong | China national standards | MT | 1058.48 | USD | 20251028 |
| Sinopec | China national standards | MT | 1058.48 | USD | 20251028 |
| Nantong Zhonghe Chem | China national standards | MT | 804.45 | USD | 20251028 |