Green Build Technology Ltd. operates as an investment holding company, which engages in project-based activities involving energy conservation services and sustainable developments. It operates through the following segments: Insulation, Undergroung Utility Tunnel, Project Management, and Materials Trading. The Insulation segment constructs and operates on external insulation projects. The Underground Utility Tunnel segment produces underground tunnels for centralised heating systems. The Project Management segment manages investment holding activities. The Materials Trading segment handles the trading of green technology materials. The company was founded on February 6, 2004 and is headquartered in Singapore.