| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1237.59 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |
| Beijing Xinqianrong Petrochemical Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1111.02 | 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 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 991.48 | USD | 20250922 |