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Ergas Technology Co., Ltd.
Nanjing Puao Medical Equipment Co., Ltd.
China Xinxing Shanghai Import & Export Corporation
VY Optoelectronics Co., Ltd.
Nanjing Poweam Medical Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Hangzhou Pnshar Technology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.