| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1111.02 | USD | 20250922 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 836.78 | USD | 20250922 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 848.03 | USD | 20250922 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1068.83 | USD | 20250922 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |