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Wuhan Joho Technology Co., Ltd.
China Xinxing Shanghai Import & Export Corporation
Nanjing Co-Energy Optical Crystal Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Qidong Perfect Precise Tools Co., Ltd.
Labmen Instrument Limited
Xi'an Heb Biotechnology Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Shenzhen Dowdon Tech Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Biobase Biodustry (Shandong) Co., Ltd.
GIAI PHOTONICS CO., LTD.