| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Jinan Jiaxing Chem | China national standards | MT | USD | 20251210 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251210 | |
| Derun Chem | China national standards | MT | USD | 20251210 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251210 | |
| CNPC | China national standards | MT | USD | 20251210 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20251210 | |
| Shandong Huize Chem | China national standards | MT | USD | 20251210 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251210 | |
| Shandong Chambroad | China national standards | MT | USD | 20251210 | |
| Huaibei Beike | China national standards | MT | USD | 20251209 |