Penggantian Piping System Uni 100, 102,301 & 200, 300, 310 dan Perbaikan Online Leak Sealing Area HSC, HCC, Turn Around 2015 Leave a Comment / Blog / By noorelidea Date: 02 November 2015 Location: Dumai Client: PT. Pertamina (Persero) Refinery Unit II Klasifikasi Pekerjaan: Mekanikal konstruksi perpipaan minyak, gas, dan energi