Concord Enviro Systems Limited is a global provider of water and wastewater treatment and reuse solutions, including zero liquid discharge (ZLD) technology. It develops solutions across the entire value chain, including designing, manufacturing, installation and commissioning, operation and maintenance (O&M) and digitalization solutions, including Internet of Things (IoT). Its business operations include Systems and Plants, O&M, and Consumables and Spares. Systems and Plants include the manufacture and sale of water and wastewater treatment, reuse and ZLD of systems and plants and turnkey solutions, and include effluent treatment plants, anaerobic digestors, membrane bioreactors, sewage treatment plants, membrane-based systems including ultra-filtration (UF), nano-filtration (NF), reverse osmosis (RO), desalination systems and waste heat evaporators (WHE). O&M includes operations and maintenance. Consumables and Spares include the manufacture and sale of consumables and spare parts.