| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 2157.06 | USD | 20251021 |
| Shandong Junfeng | China national standards | MT | 2185.25 | USD | 20251021 |
| Luxi Chem | China national standards | MT | 2157.06 | USD | 20251021 |
| Shandong Junfeng | China national standards | MT | 2157.06 | USD | 20251021 |
| Shandong Junfeng | China national standards | MT | 2157.06 | USD | 20251021 |
| Shandong Junfeng | China national standards | MT | 2157.06 | USD | 20251021 |
| Shaanxi Petro Yanan | China national standards | MT | 1061.61 | USD | 20251021 |
| Wanhua Chem | China national standards | MT | 1022.13 | USD | 20251021 |
| Shandong Laya Chem | China national standards | MT | 789.51 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 944.59 | USD | 20251021 |