Badan Sertifikasi ISO
GSM Certification
Global Standard Management
Ruko Tanjung Mas Raya Blok B1 Np 29, Jl. Tj. Mas Utama, Tanjung Barat, Kec. Jagakarsa, Kota Jakarta Selatan
Telp : +62 21 – 2281 9466
HP (WA) : 0813 1600 1020
Email : info.gsmcertfication@gmail.com / info@gsmcertification.co.id
Web : www.gsmcertification.com / www.gsmcertification.co.id
IG : @gsmisocertification
