| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1098.47 | USD | 20250909 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.43 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1063.26 | USD | 20250909 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.72 | USD | 20250909 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1013.97 | USD | 20250909 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1098.47 | USD | 20250909 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1098.47 | USD | 20250909 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 830.65 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1013.67 | USD | 20250908 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1013.67 | USD | 20250908 |