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Xi'an Heb Biotechnology Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Hangzhou Lohand Biological Co., Ltd.
Wincom Company Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Labmen Instrument Limited
Qingdao Tlead International Co., Ltd.
Xi'an Tosilon Automation Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Ningbo Jinghai Machinery Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
WANT Balance Instrument Co., Ltd.
Changzhou Andwin International Corporation Limited