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Shanghai Drawell Scientific Instrument Co., Ltd.
Zhejiang Scientific Instruments & Materials Import & Export Co., Ltd.
Nanjing Kejie Analytical Instrument Co., Ltd.
Wuxi JinyiBo Instrument Technology Co., Ltd.
Jiangsu Tianyuan Experiment Equipment Co., Ltd.
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Shenzhen Pride Instrument Inc.
WANT Balance Instrument Co., Ltd.
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Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.
Jinan Consure Electronic Technology Co.,Ltd
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Xinxiang Hengyu Machinery Equipment Co., Ltd.
Zhengzhou Nanbei Instrument Equipment Co., Ltd.