| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1266.75 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1104.89 | USD | 20251011 |
| Lihuayi Shandong | China national standards | MT | 1104.89 | USD | 20251011 |
| Jinan Pulaihua Chem | China national standards | MT | 1182.3 | USD | 20251011 |
| Shandong Xingpeng Chem | China national standards | MT | 924.73 | USD | 20251011 |
| Sinopec | China national standards | MT | 935.99 | USD | 20251011 |
| Lihuayi Shandong | China national standards | MT | 933.17 | USD | 20251011 |
| Shandong Yushuo Chem | China national standards | MT | 935.99 | USD | 20251011 |
| Shandong Yushuo Chem | China national standards | MT | 935.99 | USD | 20251011 |
| Lihuayi Shandong | China national standards | MT | 933.17 | USD | 20251011 |