| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 973.65 | USD | 20251103 |
| Shandong Jinwen Chem | China national standards | MT | 1199.43 | USD | 20251103 |
| Changzhou Juyun Mat | China national standards | MT | 1354.65 | USD | 20251103 |
| Shandong Yuhuang Chem | China national standards | MT | 1291.15 | USD | 20251103 |
| Sinopec | China national standards | MT | 874.88 | USD | 20251103 |
| Sinopec | China national standards | MT | 987.77 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 1100.65 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 874.88 | USD | 20251103 |
| Sinopec | China national standards | MT | 881.93 | USD | 20251103 |
| Sinopec | China national standards | MT | 1227.65 | USD | 20251103 |