| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 927.9 | USD | 20250919 |
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 991.17 | USD | 20250919 |
| Jiangsu Xiaomi Chemical Trading Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1047.41 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 956.02 | USD | 20250919 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |