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Nengshi Analytical Sensor Co., Ltd.
Zhejiang Scientific Instruments & Materials Import & Export Co., Ltd.
Shenzhen Lite Technology Limited
Changzhou Andwin International Corporation Limited
Shanghai Boqu Instrument Co., Ltd.
Wincom Company Ltd.
Liaoning Huake Petroleum Apparatus Science & Technology Co., Ltd.
Shanghai Drawell Scientific Instrument Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Huazheng Electric Manufacturing (Baoding) Co., Ltd.
Xi'an Heb Biotechnology Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Shandong Dongrun Instrument Science and Technology Co., Ltd.
Jinan Handa Electron Technology Co., Ltd.