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| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 830.33 | USD | 20250915 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 830.33 | USD | 20250915 | 
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 837.37 | USD | 20250915 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.54 | USD | 20250915 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.69 | USD | 20250915 | 
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.73 | USD | 20250915 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 830.76 | USD | 20250914 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 830.76 | USD | 20250913 |