| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Jinan Qi Mat | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Fusheng | China national standards | MT | 932.56 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 932.56 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1314.06 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1314.06 | USD | 20251209 |
| Hualu Holdings | China national standards | MT | 1314.06 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 932.56 | USD | 20251209 |