| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 992.16 | USD | 20250925 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 992.16 | USD | 20250925 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 914.76 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.75 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 956.98 | USD | 20250925 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250925 |
| Beijing Xinqianrong Petrochemical Co., Ltd. | China national standards | MT | 914.76 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250925 |