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| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1205.41 | USD | 20250807 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1205.41 | USD | 20250807 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1170.37 | USD | 20250807 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1191.39 | USD | 20250807 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1166.16 | USD | 20250807 | 
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 952.26 | USD | 20250806 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1204.33 | USD | 20250806 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1165.12 | USD | 20250806 | 
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1190.33 | USD | 20250806 | 
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 980.27 | USD | 20250806 |