PT Rekayasa Indonesia (Rekin), EPC contractor, partners with regional government-owned company (BUMD) PT Energi Negeri Mandiri for building pipe transmission for natural gas connecting Cirebon and Semarang, part of Trans Java integrated gas pipe project. The gas pipe transmission for Cirebon-Semarang (2355 km) costs US$400 million. While gas pipe transmission for western part of Java (Cirebon-KHT 84 km and Tegalgede-Muara Tawar 50 km) costs US$300 million. And eastern part of Java, Semarang-Gresik 271 km costs US$360 million and East Java Gas Pipeline (EJGP)-Grati 22.1 km costs US$58 million.