| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.21 | USD | 20250928 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1096.24 | USD | 20250928 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250928 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250927 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.21 | USD | 20250927 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250927 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250927 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250927 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250926 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1068.14 | USD | 20250926 |