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Nanjing Co-Energy Optical Crystal Co., Ltd.
Changzhou Skyvictor Import and Export Co., Ltd.
Hebei Xukang Meter Manufacturing Co., Ltd.
Jiangmen Merica Houseware Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Wincom Company Ltd.
Zhejiang Tugong Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Jinlong Industrial Company Limited
Qingdao Tlead International Co., Ltd.
Sino Age Development Technology
Shenzhen Autostrong Instrument Co., Ltd.
Zhejiang Top Cloud-Agri Technology Co., Ltd.
Labmen Instrument Limited
GIAI PHOTONICS CO., LTD.