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Canfort Laboratory and Education Supplies Co., Ltd.
Care Weller Limited
Bettering International (HK) Co., Limited
Melson Medical Corporation Limited
Tianjin Humanda Technology Development Co., Ltd.
Jinan Youlyy Industrial Co., Ltd.
Danyang Jingding Glassworks Co., Ltd.
Movel Scientific Instrument Co., Ltd.
Xilong Scientific Co., Ltd.