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Labmen Instrument Limited
Zhengzhou CY Scientific Instrument Co., Ltd.
Huanghua Faithful Instrument Co., Ltd.
Guangdong Huilv Laboratory Equipment Scientific and Technological Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Anhui Sada Trading Co., Ltd.
Changzhou Danrui Experimental Instrument Equipment Co., Ltd.
Shandong China Coal Industrial & Mining Supplies Group Co., Ltd.