| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Juyun Mat | China national standards | MT | 1337.12 | USD | 20251010 |
| Changzhou Juyun Mat | China national standards | MT | 1351.2 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251010 |
| Shandong Hongyang Chem | China national standards | MT | 1189.34 | USD | 20251010 |
| Shandong Zhiheng | China national standards | MT | 1168.22 | USD | 20251010 |
| CNPC | China national standards | MT | 1210.45 | USD | 20251010 |
| Sinopec | China national standards | MT | 1210.45 | USD | 20251010 |
| Sinopec | China national standards | MT | 942.31 | USD | 20251009 |
| Lihuayi Shandong | China national standards | MT | 932.46 | USD | 20251009 |
| Wanhua Chem | China national standards | MT | 970.44 | USD | 20251009 |