| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1009.52 | USD | 20250822 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1093.65 | USD | 20250822 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.65 | USD | 20250822 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 841.27 | USD | 20250822 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1087.15 | USD | 20250821 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 967.92 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1010.0 | USD | 20250821 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1010.0 | USD | 20250821 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1094.17 | USD | 20250821 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.17 | USD | 20250821 |