| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1082.25 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 1082.25 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Fusheng | China national standards | MT | 933.71 | USD | 20251211 |
| Liaocheng Yuanze Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.69 | USD | 20251210 |