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Hangzhou Techderm Biological Products Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Wu Yi Dahe Electronics Co., Ltd.
VY Optoelectronics Co., Ltd.
Ningbo Sunshine Import & Export Co., Ltd.
Canfort Laboratory and Education Supplies Co., Ltd.
Tianjin Humanda Technology Development Co., Ltd.
Lianyungang Hongkang Quartz Products Co., Ltd.