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| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 | 
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1092.66 | USD | 20251025 | 
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.97 | USD | 20251025 | 
| Shiyou CHEMICAL(Yangzhou) Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 | 
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 944.62 | USD | 20251025 | 
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 | 
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 | 
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251025 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 919.24 | USD | 20251025 | 
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 916.42 | USD | 20251025 |