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Shandong Crown Industry Co., Ltd.
Guangzhou Rongfeng Plastic Technology Co., Ltd
Xiamen Origin Biotech Co., Ltd
Shanghai Terui OP New Material Technology Co., Ltd.
Zibo Chemic New Material Co., Ltd
Tongya Automobile Co., Ltd
Henan Medscience Pharmaceuticals Co., Ltd
Handan Zhongfu Industrial and Mining Accessories Co., Ltd
Nantong Kezhong Chemical Technology Co., Ltd.
Zhejiang Jiasheng Chemical Co.,Ltd.
Shandong Hongyang Insulation Material Share Co., Ltd
Zibo Xinwei Porcelain Industry Co., Ltd
Jining Shengfan New Material Co., Ltd
Shanghai Rokem Industrial Co.,Ltd
Zhengzhou Chorus Lubricant Additive Co., Ltd
Tianma Group Co., Ltd.