| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yihe Chem | China national standards | MT | USD | 20251207 | |
| Qilu Petrochem | China national standards | MT | USD | 20251207 | |
| CNPC | China national standards | MT | USD | 20251207 | |
| Shandong Chambroad | China national standards | MT | USD | 20251207 | |
| CNPC | China national standards | MT | USD | 20251206 | |
| Qilu Petrochem | China national standards | MT | USD | 20251206 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251206 | |
| Shandong Chambroad | China national standards | MT | USD | 20251206 | |
| Huaibei Beike | China national standards | MT | USD | 20251205 | |
| Anyang Yutian | China national standards | MT | USD | 20251205 |
