| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1108.19 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1115.25 | USD | 20251107 |
| Qingdao Shengze Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Shuojia Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Qiangsen Chem | China national standards | MT | 931.73 | USD | 20251107 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.32 | USD | 20251107 |
| Jinan Jinhao Chem | China national standards | MT | 1242.31 | USD | 20251107 |
| Shiyou Yangzhou Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1115.25 | USD | 20251107 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.61 | USD | 20251107 |