| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.89 | USD | 20250930 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.59 | USD | 20250930 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1069.59 | USD | 20250930 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.59 | USD | 20250930 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20250930 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1871.79 | USD | 20250930 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 844.42 | USD | 20250930 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 844.42 | USD | 20250930 |