| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 1239.91 | USD | 20251020 |
| Shandong Jinshenrun Chem | China national standards | MT | 986.62 | USD | 20251019 |
| Shandong Jinshenrun Chem | China national standards | MT | 986.62 | USD | 20251019 |
| Beijing Yanshan Petro | China national standards | MT | 986.62 | USD | 20251019 |
| Beijing Yanshan Petro | China national standards | MT | 1198.04 | USD | 20251019 |
| Shandong Xingpeng Chem | China national standards | MT | 916.15 | USD | 20251019 |
| Jinan Xinbo Chem | China national standards | MT | 1127.57 | USD | 20251019 |
| Jinan Xinbo Chem | China national standards | MT | 1155.76 | USD | 20251019 |
| Jinan Xingdate Bio | China national standards | MT | 986.62 | USD | 20251019 |
| Lihuayi Weiyuan Chem | China national standards | MT | 944.34 | USD | 20251019 |