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Shenzhen OK Biotech Technology Co., Ltd. (SZOB)

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Nantong Filterbio Membrane Co.,Ltd

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Kejian Polymer Materials (Shanghai) Co.,Ltd

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Nantong Filterbio Membrane Co.,Ltd

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Hangzhou Sens Magnetics LLC

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Yingfengyuan Industrial Group Limited

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Shandong Wideway Tire Co. Ltd

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China Big S&T Dev (Group) Co.,Limited

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Guangdong Polysar New Material Technology Co.Ltd

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Yuen Fung Electronics (Shenzhen) Co., Ltd

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SHENZHEN CAN TRACK TECHNOLOGY CO.,LTD

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Shenzhen Eelink Communication Technology Co. Ltd

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Jiaxing Risen Import & Export Co. Ltd

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Zhejiang Zhongneng Industry Group Co. Ltd

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Shanghai Saychum Gift Co Ltd

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Jiangsu Sinski Vehicle Science & Technology Co. Ltd

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China Big S&T Dev (Group) Co.,Limited

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Guangzhou Kingbo Refrigeration Equipment Co. Ltd

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China Big S&T Dev (Group) Co.,Limited

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Jinjiang Jiaxing Import & Export Company