PT. Sinergi Karya Yasa Is a steel work fabrication, Engineering and Welding qualification service company located at the centre of Batam Island. Riau Archipelago-Indonesia. Office Jl. Bukit Abdullah No.88, Belakang Tower RCTI Tj. Sengkuang, Batu Ampar Open Hours: Mon – Fri: 8 am – 5 pm,Sat: 8 am – 12 pm,Sunday: CLOSED Contact (0778) 7101672 info@sinergikaryayasa.com sinergikaryayasa.com 2022 © PT. Sinergi Karya Yasa. All rights reserved. Developer Diminesia