| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1192.37 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 884.76 | USD | 20251103 |
| Sinopec | China national standards | MT | 874.88 | USD | 20251103 |
| Shandong Yushuo Chem | China national standards | MT | 888.99 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 884.76 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 874.88 | USD | 20251103 |
| Lihuayi Shandong | China national standards | MT | 1382.87 | USD | 20251103 |
| Shandong Aite Chem | China national standards | MT | 1199.43 | USD | 20251103 |
| Sinopec | China national standards | MT | 1227.65 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1192.37 | USD | 20251103 |