| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251112 | |
| Shandong Changyi Petro | China national standards | MT | USD | 20251112 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251112 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251112 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251112 | |
| Qilu Petrochem | China national standards | MT | USD | 20251112 | |
| Aite Zhejiang | China national standards | MT | USD | 20251112 | |
| Shandong Chambroad | China national standards | MT | USD | 20251112 | |
| CNPC | China national standards | MT | USD | 20251112 | |
| Jinan Pulaihua Chem | China national standards | MT | USD | 20251112 |
