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Nanjing Co-Energy Optical Crystal Co., Ltd.
Yiwu Wisdom Import & Export Co., Ltd.
Guangzhou Haike Outdoor Sport Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Shenzhen Chuangxin Instruments CO., LTD.
OPTECK MANUFACTURING GROUP LTD.
China Xinxing Shanghai Import & Export Corporation
Foshan Sident Technology Limited
Shenzhen Haiwang Sensor Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
GIAI PHOTONICS CO., LTD.