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Sainty International Group Jiangsu Yangzhou Sumex Imp. & Exp. Co., Ltd.
Donghai Yukang Quartz Material Co., Ltd.
Jinan Youlyy Industrial Co., Ltd.
Care Weller Limited
Canfort Laboratory and Education Supplies Co., Ltd.
Jiangmen Merica Houseware Co., Ltd.
Qingdao Carong Import & Export Co., Ltd.
Xilong Scientific Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
H.K Lanyuan Protective (Wuhan) Co., Limited
Jinhua Jindong AngLe Electronic Co., Ltd.
Movel Scientific Instrument Co., Ltd.