| Vendor | Spec | Unit | Price | Currency | Date |
| Tongling Jintai Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Shandong Wells Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Jinan Qi Mat | Industrial Grade | MT | 777.13 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1017.34 | USD | 20251209 |
| Shandong Wells Chem | China national standards | MT | 1031.47 | USD | 20251209 |
| Shandong Wells Chem | China national standards | MT | 1017.34 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 777.13 | USD | 20251209 |