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| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.39 | USD | 20250916 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1196.73 | USD | 20250916 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.61 | USD | 20250916 | 
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1210.81 | USD | 20250916 | 
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1126.33 | USD | 20250916 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1196.24 | USD | 20250915 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.91 | USD | 20250915 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.31 | USD | 20250915 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.31 | USD | 20250915 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.13 | USD | 20250915 |