| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Shaanxi Petro Yanan | China national standards | MT | 702.38 | USD | 20251201 |
| Sinopec | China national standards | MT | 1059.94 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 890.35 | USD | 20251201 |
| Lihuayi Shandong | China national standards | MT | 713.69 | USD | 20251201 |
| Shandong Mingyu | China national standards | MT | 925.68 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 713.69 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Liaocheng Yuanze Chem | China national standards | MT | 862.08 | USD | 20251201 |
| Nanjing Baitu Chem | China national standards | MT | 847.95 | USD | 20251201 |