PERMATA CHANDRA SURYA, PT East Java Clock Battery, Clock Cases, Clock Movements, Watch Movements, Tjoa Didi Permana B, Henny Dyah E.S. fitria_rahani@yahoo.com (62-31) 8722457, 8722458 www.pcslock.co.id (62-31) 8722459 Jl. Saya Kedung Asem No. 9