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Yiwu Wisdom Import & Export Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Xavier Precision Component Co., Ltd.
Guangzhou Magic Beauty Equipment Factory
Shenzhen Bonad Instrument Co., Ltd.
Wuhan Joho Technology Co., Ltd.
Shanghai Aucy Scientific Instrument Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Raylabel Instrument Co., Ltd.
Shijiazhuang Zeyuan Optics Co., Ltd.
Ningbo Hongbo Optical Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Qidong Perfect Precise Tools Co., Ltd.
Nanjing Co-Energy Optical Crystal Co., Ltd.
Shenzhen Chuangxin Instruments CO., LTD.
Shenzhen Haiwang Sensor Co., Ltd.