| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 973.93 | USD | 20251124 |
| Zibo Zhongsheng Chem | China national standards | MT | 1270.34 | USD | 20251124 |
| Jinan Jinrihe Chem | China national standards | MT | 931.22 | USD | 20251123 |
| Jinan Jinrihe Chem | China national standards | MT | 903.0 | USD | 20251123 |
| Shandong Daoqin Chem | China national standards | MT | 945.33 | USD | 20251123 |
| Shandong Yihe Chem | China national standards | MT | 1269.84 | USD | 20251123 |
| Qingdao Shengze Chem | China national standards | MT | 931.22 | USD | 20251123 |
| Qingdao Shengze Chem | China national standards | MT | 931.22 | USD | 20251123 |
| Jinan Jinrihe Chem | China national standards | MT | 931.22 | USD | 20251123 |
| Jinan Jinrihe Chem | China national standards | MT | 931.22 | USD | 20251122 |