| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 994.98 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 931.47 | USD | 20251028 |
| Shandong Qiangsen Chem | China national standards | MT | 931.47 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.03 | USD | 20251028 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.03 | USD | 20251028 |
| Shandong Zhiheng | China national standards | MT | 1114.94 | USD | 20251028 |
| Beijing Yanshan Petro | China national standards | MT | 1114.94 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 1016.15 | USD | 20251028 |
| Jinan Jinhao Chem | China national standards | MT | 1241.52 | USD | 20251027 |
| Beijing Yanshan Petro | China national standards | MT | 1114.54 | USD | 20251027 |