Ray Core Technology Surabaya - Head Office
Jl. Jaya Manyar No. 1A. 32
Surabaya 60 118
Indonesia
Ph. +62-31-5926097
Fx. +62-31-5913433
(Open Monday-Friday GMT. 8:00 to 17:00, Saturday GMT. 08:00 to 15:00. National holidays closed.)

Ray Core Technology Jakarta - Show Room & Marketing
Two Mango Square Mall Lt. Block B No. 3. 28
Jl. Gunung Sahari Raya 1
North Jakarta 14 430
Indonesia
Ph. +62-21-98003298
(Open Monday-Friday GMT. 10:00 to 18:00. National holidays closed.)

Electronic Contacts:
Email: mail [at] sinarintiteknologi [dot] com
YM! & Skype: penguat.sinyal