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Zibo Shell Technology Co., Ltd
Hunan Tengcan Lyrin Technology Co., Ltd
Hebei Birnik New Material Technology Co., Ltd
Quanzhou City Better Breath Medical Technology Co., Ltd
Quanzhou Haiyixing Bioengineering Co., Ltd
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Shandong Stair Chemical & Technolgy Co.,Ltd
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Jiangsu Maoheng Chemical Co., Ltd.
Zhejiang Jinhua New Material Co., Ltd.