| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Mat | China national standards | MT | 1342.32 | USD | 20251209 |
| Changzhou Juyun Mat | China national standards | MT | 1356.45 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1193.96 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1193.96 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 1172.76 | USD | 20251209 |
| CNPC | China national standards | MT | 1215.15 | USD | 20251209 |
| Sinopec | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Laya Chem | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Yuhuang Chem | China national standards | MT | 897.23 | USD | 20251209 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1328.19 | USD | 20251209 |