| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 1003.21 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1130.37 | USD | 20251209 |
| Shanghai Wanzhong | China national standards | MT | 812.46 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 805.39 | USD | 20251209 |
| Shanghai SKY Chem | China national standards | MT | 1271.67 | USD | 20251209 |
| Shandong Xima | China national standards | MT | 890.17 | USD | 20251209 |
| Shiyou Yangzhou Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Shandong Junfeng | China national standards | MT | 1059.73 | USD | 20251209 |