| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250927 |
| Shandong Hengrui Chemical Co., Ltd. | China national standards | MT | 913.54 | USD | 20250927 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1194.63 | USD | 20250927 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 990.84 | USD | 20250927 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250927 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 983.81 | USD | 20250927 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 969.75 | USD | 20250927 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250927 |
| Jinan Xinbo Chemical Co., Ltd. | China national standards | MT | 1152.46 | USD | 20250927 |