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Nengshi Analytical Sensor Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Fuzhou DIT Industry & Trade Co., Ltd.
Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Deson Electric Group Company Limited
WANT Balance Instrument Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Changzhou Andwin International Corporation Limited
Shenzhen Handsome Technology Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Wincom Company Ltd.