INTAN PERTIWI INDUSTRI, PT DKI Jakarta Coated Electrodes of Base Metal, for Electric Arc-Welding, Halim info@intanpertiwi.co.id (62-21) 6480008, 6392608, 6490003, 6299419 www.intanpertiwi.co.id (62-21) 6240024 Jl. Pangeran Jayakarta 45A No. 26-27, Pinangsia - Taman Sari, Jakarta Barat