| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chem | China national standards | MT | 1215.39 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 911.16 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 904.1 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| Shandong Daoqin Chem | China national standards | MT | 918.22 | USD | 20251130 |
| Shandong Daoqin Chem | China national standards | MT | 946.47 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 911.16 | USD | 20251130 |
| Shandong Aite Chem | China national standards | MT | 1101.87 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1130.12 | USD | 20251129 |