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Guangdong Huilv Laboratory Equipment Scientific and Technological Co., Ltd.
GSS Scale (Suzhou) Co., Ltd.
Zhejiang MGS Level Industry Co., Ltd.
Qinhuangdao Intrinsic Crystal Technology Co., Ltd.
Hebei Xukang Meter Manufacturing Co., Ltd.
Hangzhou Pnshar Technology Co., Ltd.
Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
Shanghai RuiBiao Construction Machinery Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
VY Optoelectronics Co., Ltd.
OPTECK MANUFACTURING GROUP LTD.
Shenzhen Pride Instrument Inc.
Tianjin Humanda Technology Development Co., Ltd.
GIAI PHOTONICS CO., LTD.
Donghai Yukang Quartz Material Co., Ltd.
Yancheng Huisheng Medical Instrument Factory
Chongqing Fengdu Biotechnology Co., Ltd.
Shenzhen Nice Beauty Equipment Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Zhejiang Haoyu Industry & Trade Co., Ltd.