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Jiangsu Hengke New Material Co., Ltd.
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Sichuan Pixian Douban Co. Ltd.Sichuan Sheng, China
Shenzhen Shangmei Products Co., Ltd.Guangdong Sheng, China
Zhejiang Yade Cup Industry Co., Ltd.Zhejiang Sheng, China
Yuyao Chenggong Stationery Co. Ltd.Zhejiang Sheng, China
Coast Biologicals Ltd.
Zhengsheng Co., Ltd