| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 768.36 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1071.48 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1240.66 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1113.77 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 944.59 | USD | 20251021 |
| Lihuayi Shandong | China national standards | MT | 775.41 | USD | 20251021 |
| Luxi Chem | China national standards | MT | 775.41 | USD | 20251021 |
| Shandong Yushuo Chem | China national standards | MT | 775.41 | USD | 20251021 |
| Lihuayi Shandong | China national standards | MT | 824.76 | USD | 20251021 |
| Luxi Chem | China national standards | MT | 782.46 | USD | 20251021 |