| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1106.13 | USD | 20251016 |
| Jinan Pulaihua Chem | China national standards | MT | 1106.13 | USD | 20251016 |
| Shandong Yuhuang Chem | China national standards | MT | 1268.18 | USD | 20251016 |
| Sinopec | China national standards | MT | 1268.18 | USD | 20251016 |
| Jinan Pulaihua Chem | China national standards | MT | 1268.18 | USD | 20251016 |
| Sinopec | China national standards | MT | 1014.54 | USD | 20251016 |
| Sinopec | China national standards | MT | 1225.9 | USD | 20251016 |
| Shandong Yuhuang Chem | China national standards | MT | 1366.81 | USD | 20251016 |
| Shandong Aite Chem | China national standards | MT | 1225.9 | USD | 20251016 |
| Lihuayi Shandong | China national standards | MT | 1380.9 | USD | 20251016 |