| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.22 | USD | 20250723 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.22 | USD | 20250723 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1092.22 | USD | 20250723 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1008.21 | USD | 20250723 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1092.22 | USD | 20250723 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.22 | USD | 20250723 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 853.62 | USD | 20250722 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1084.52 | USD | 20250722 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1091.52 | USD | 20250722 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1007.56 | USD | 20250722 |