| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1243.13 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Zhiheng | China national standards | MT | 908.33 | USD | 20251128 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.37 | USD | 20251128 |
| Zibo Jinshuo Chem | China national standards | MT | 918.22 | USD | 20251128 |
| Shandong Junfeng | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Junfeng | China national standards | MT | 988.85 | USD | 20251128 |
| Beijing Yanshan Petro | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Shandong Hongyang Chem | China national standards | MT | 908.33 | USD | 20251128 |