| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Zhongsheng Chem | China national standards | MT | 1270.34 | USD | 20251124 |
| Shandong Haili Chem | China national standards | MT | 1199.77 | USD | 20251124 |
| Shandong Hualu | China national standards | MT | 931.58 | USD | 20251124 |
| Zibo Zhongsheng Chem | China national standards | MT | 945.7 | USD | 20251124 |
| Nanjing Waien Chem | China national standards | MT | 917.47 | USD | 20251124 |
| Jinan Jinrihe Chem | China national standards | MT | 931.22 | USD | 20251123 |
| Shandong Daoqin Chem | China national standards | MT | 945.33 | USD | 20251123 |
| Jinan Jinrihe Chem | China national standards | MT | 931.22 | USD | 20251123 |
| Jinan Jinrihe Chem | China national standards | MT | 903.0 | USD | 20251123 |
| Qingdao Shengze Chem | China national standards | MT | 931.22 | USD | 20251123 |