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| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1069.14 | USD | 20250918 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.28 | USD | 20250918 | 
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.14 | USD | 20250918 | 
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.28 | USD | 20250918 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 970.67 | USD | 20250918 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.13 | USD | 20250916 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.98 | USD | 20250916 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 | 
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |