| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1042.72 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1042.72 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1042.72 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1042.72 | USD | 20251016 |
| Nantong Zhonghe Chem | China national standards | MT | 1028.63 | USD | 20251016 |
| Shandong Jinling Chem | China national standards | MT | 1056.81 | USD | 20251016 |
| Qingdao Shengze Chem | China national standards | MT | 1056.81 | USD | 20251016 |
| Qingdao Shengze Chem | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Yuxuan Chem | China national standards | MT | 1310.45 | USD | 20251016 |
| Dongying HuataiChem | China national standards | MT | 1056.81 | USD | 20251016 |