| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | Industrial Grade | MT | 777.35 | USD | 20251210 |
| Shandong Wells Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Tongling Jintai Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 904.56 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 777.35 | USD | 20251210 |
| Nantong Zhonghe Chem | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Huize Chem | China national standards | MT | 848.02 | USD | 20251210 |