| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yihe Chem | China national standards | MT | USD | 20251017 | |
| Shandong Changyi Petro | China national standards | MT | USD | 20251017 | |
| Jinan Pulaihua Chem | China national standards | MT | USD | 20251017 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251017 | |
| Shandong Chambroad | China national standards | MT | USD | 20251017 | |
| CNPC | China national standards | MT | USD | 20251017 | |
| Jinan Dezheng Chem | China national standards | MT | USD | 20251017 | |
| Shandong Mengkanda Chem | China national standards | MT | USD | 20251017 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251017 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251017 |
