| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 927.59 | USD | 20250926 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 997.86 | USD | 20250926 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 976.78 | USD | 20250926 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1154.0 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 999.2 | USD | 20250925 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 992.16 | USD | 20250925 |