| Vendor | Spec | Unit | Price | Currency | Date |
| Zhejiang Petroleum&Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1167.27 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |