| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 835.82 | USD | 20250826 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1088.67 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1060.57 | USD | 20250826 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 800.7 | USD | 20250826 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1095.69 | USD | 20250826 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1011.41 | USD | 20250826 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1095.69 | USD | 20250826 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1095.69 | USD | 20250826 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1011.79 | USD | 20250825 |