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Nanjing Co-Energy Optical Crystal Co., Ltd.
Zhejiang Scientific Instruments & Materials Import & Export Co., Ltd.
Beijing Broad Laser Science & Technology Co., Ltd.
IHD Technology Limited
Movel Scientific Instrument Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
Zhengzhou Sinoder Indutech Machinery Co., Ltd.
Deson Electric Group Company Limited
Krell Precision (Yangzhou) Company Limited
Beijing Topsky Century Holding Co., Ltd.
Shenzhen GSD Tech Co., Ltd.
Donghai Yukang Quartz Material Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Citotest Labware Manufacturing Co., Ltd.
VY Optoelectronics Co., Ltd.
Hangzhou Gongheng Weighing Equipment Co., Ltd.
Yangzhou Senyida Coating Equipment Manufacturing Co., Ltd.
Shanxi Midas Industrial Co., Ltd.
Zhejiang Haoyu Industry & Trade Co., Ltd.
Beijing ADSS Development Co., Ltd.