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Contact number 400-666-5548 0731-83282520 0731-82382520: Contact address No.188 Kangwan Road, Liuyang Economic and Technological Development Zone, Changsha City, Hunan Province

The manufacturer(MFT) of Pandemic prevention products-Changsha Biotrong Biotechnology Co., Ltd. all rights reserved

湘ICP備18002869號-1

Technical support：Hnjing

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