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China Xinxing Shanghai Import & Export Corporation
Ningbo Hongbo Optical Instrument Co., Ltd.
Ergas Technology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
GIAI PHOTONICS CO., LTD.
Shenzhen Haiwang Sensor Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Slinya Electronic Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Dalian Chem Imp.& Exp. Group Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
Hangzhou Pnshar Technology Co., Ltd.