| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shaanxi Petro Yanan | China national standards | MT | USD | 20251202 | |
| Shandong Jiaen Chem | China national standards | MT | USD | 20251202 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251202 | |
| CNPC | China national standards | MT | USD | 20251202 | |
| Suzhou Zixu Mat | China national standards | MT | USD | 20251202 | |
| CNPC | China national standards | MT | USD | 20251202 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20251202 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251202 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251202 | |
| CNPC | China national standards | MT | USD | 20251202 |
