PT. IWW CRA ENERGY SOLUTIONS (CES) is a part of IWW Groups – Singapore, has a team of highly skilled individuals and state of the art machinery and equipment located strategically in Batam Island.

CES is an ISO certified company started in 2015 with highly skilled and experienced technicians, engineers, managers from various well resourced cladding companies all around the world. We started with R&D section to design and develop new machines and methods to produce the Corrosion Resistance Weld overlay with high quality in a lower price in this competitive market.

Our aim is to provide specialized services and products primarily to local and international clients involved in the construction of the oil & gas, petrochemical, fertilizer, power, desalination and infrastructure sectors.

IWW Groups

IWW Groups of companies is Singapore Oil & Gas service provider. IWW has been serviced for procurement and construction of several Pipeline fabrication and installation, Pre-commissioning (Hydro & Oil Flushing, Chemical Cleaning), Flange Management.

IWW groups is operating over the last five years and worked with the major clients due to the excellence in handling projects;

IWW Groups located in;



  • ISO 9001:2015 Quality Management System
  • ISO 45001:2015 Occupational Health and Safety