| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 733.63 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 733.63 | USD | 20251031 |
| CNPC | China national standards | MT | 733.63 | USD | 20251031 |
| Shandong Jiaen Chem | China national standards | MT | 959.37 | USD | 20251031 |
| Shaanxi Lufeng Chem | China national standards | MT | 700.48 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 761.85 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 888.83 | USD | 20251031 |
| Shandong Mingyu | China national standards | MT | 924.1 | USD | 20251031 |
| Sinopec | China national standards | MT | 1058.13 | USD | 20251031 |
| Lihuayi Shandong | China national standards | MT | 1058.13 | USD | 20251031 |