On September 26, 2011, CPTDC, CPP, and CPE, three subsidiaries of China National Petroleum Corporation (CNPC) jointly signed the EPC contract with Tanzania Petroleum Development Corporation (TPDC) for the construction of Tanzania Mnazi Bay and Songo Songo Natural Gas Processing Plants and Gas Transportation Pipeline Project, a new natural gas pipeline from the natural gas fields in the southeast of Tanzania to Dar es Salaam as well as two gas processing plants, with a total length of 542km.

33 Km of 8” pipe was being coated with 3LPE External Coating which was divided into two packages. Package 1 for the Tangerang project and package 3 for the Bogor project for Pertagas Kota. It started on 10 November 2014 and finished on 27 November 2014.

48,6 Km Length of 28” OD pipe was being coated for Gresik-Semarang Project for Consortium Wika-Rabana-Kelsri. In accordance with this 5 km was Concrete Weight Coated (CWC).

30 Km Length of 18” pipe was being coated with 3LPE External Coating of which 1.4 Km was Concrete Weight Coated (CWC) for the Porong – PLTGU Grati, East Java Gas Pipeline Project for Pertagas. It started on 18 March 2015 and finished on 25 March 2015.

9 Km Length of 12” OD pipe was being coated for Balongan- Mundu project for Pertagas started on 28 November 2014 and finished on 3 December 2014. Another 10 Km was for the same project of 3LPE External Coating which was started on 18 December 2014 and finished on 29 December 2014 in accordance with this 4 Km was being Concrete Weight Coated (CWC).

13 Km of CWC coating for fabrication services for subsea line pipe 16” MMF-LPRO for Pertamina Hulu Energy- ONWJ. It was started in 8 April 2014 and finish in 26 May 2014.