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    Longen (Tianjin)Technology Co.,Ltd
    Address：No. 21, Huaming street,Huaming high-tech Industrial Development zone,Dongli District,Tianjin China Postal Code：300300 Hotline：+86(0)22-84823858 Fax：+86(0)22-84823858-605 Email：info@longentest.com.cn

    Longen (Tianjin)Technology Co.,Ltd­─Guangzhou Office
    Contact： Manager Li Mobile：+86(0)13512752550 Email：gz@longentest.com.cn
    Tel:022-84823858
    Copyright 2021 Longen (Tianjin) Technology Co., Ltd. Jin CP Bei No. 12004121 1
    Keywords:Copyright 2021 Longen (Tianjin) Technology Co., Ltd.