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Nanjing Co-Energy Optical Crystal Co., Ltd.
Jinjiang Jiaxing Group Co., Ltd.
Ganzhou Heying Universal Parts Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Nanjing April Electro-Optics Co., Ltd.
VY Optoelectronics Co., Ltd.
Commander Group Ltd.
New Vision Meditec Co., Limited