| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Yushuo Chem | China national standards | MT | 1001.76 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Zibo Zhongsheng Chem | China national standards | MT | 1269.84 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 931.22 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 931.22 | USD | 20251121 |