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Q-Ying Plastic & Electronic (Shenzhen) Co., Ltd.
WANT Balance Instrument Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Handsome Technology Co., Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Wincom Company Ltd.
Jinan Handa Electron Technology Co., Ltd.
Zhuhai City Deyuan Import & Export Co., Ltd.
Shanghai Boqu Instrument Co., Ltd.
Shenzhen Security Electronic Equipment Co., Ltd.
Beijing Topsky Century Holding Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Ningbo Jinghai Machinery Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.