| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1102.02 | USD | 20251127 |
| Shanghai Guoke | China national standards | MT | 1282.87 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 908.46 | USD | 20251127 |
| Shandong Aite Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Lihuayi Weiyuan Chem | China national standards | MT | 918.13 | USD | 20251126 |
| Beijing Yanshan Petro | China national standards | MT | 889.88 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Shanghai Guoke | China national standards | MT | 1282.56 | USD | 20251126 |
| Qingdao Shengze Chem | China national standards | MT | 875.76 | USD | 20251126 |