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Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
TRYTE TECHNOLOGY (HUNAN) DEVELOPMENT CO., LTD.
Deson Electric Group Company Limited
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.
Q-Ying Plastic & Electronic (Shenzhen) Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shenzhen Lite Technology Limited
Beijing Topsky Century Holding Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Nengshi Analytical Sensor Co., Ltd.
Hangzhou Lohand Biological Co., Ltd.
Zhuhai City Deyuan Import & Export Co., Ltd.