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Shenzhen Handsome Technology Co., Ltd.
Zhuhai City Deyuan Import & Export Co., Ltd.
WANT Balance Instrument Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Fuzhou DIT Industry & Trade Co., Ltd.
Chongqing Gold Mechanical & Electrical Equipment Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Shanghai Boqu Instrument Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Wincom Company Ltd.