Shenzhen Global Test Service Co., Ltd.

    Contact Tel：0755-28717088  (Linear) 

    Contact Tel: +86 18923870579  +86 19925210330          Email：lixiaotao@gtscert.com

    Contact QQ：3524904221

    Address：DCC Cultural and Creative Park, Ecological Park Road, Pinghu Subdistrict, Longgang District, Shenzhen, China