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Tianjin Humanda Technology Development Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Movel Scientific Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Guangzhou Haike Outdoor Sport Co., Ltd.
Junhong Electronic & Technology Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Yancheng Diling Medical Instruments Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Labmen Instrument Limited
Donghai Yukang Quartz Material Co., Ltd.
Guangzhou Sume Beauty Equipment Co., Ltd.
Wenzhou Success Group Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.