| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251101 | |
| Hunan Yuanshuo Chem | China national standards | MT | USD | 20251101 | |
| Shandong Mingyu | China national standards | MT | USD | 20251101 | |
| Shandong Chambroad | China national standards | MT | USD | 20251101 | |
| Qilu Petrochem | China national standards | MT | USD | 20251101 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251101 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251101 | |
| CNPC | China national standards | MT | USD | 20251101 | |
| CNPC | China national standards | MT | USD | 20251101 | |
| CNPC | China national standards | MT | USD | 20251101 |
