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| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 | 
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 971.9 | USD | 20251015 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1070.5 | USD | 20251015 | 
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 | 
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.63 | USD | 20251015 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1253.61 | USD | 20251015 | 
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1112.75 | USD | 20251015 | 
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1267.69 | USD | 20251015 | 
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 805.69 | USD | 20251015 |