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De.mem Ltd is Singaporean-Australian de-centralized water and waste water treatment business. It designs, builds, owns and operates water and wastewater treatment systems for its clients. De.mem operates in the industrial segment providing systems and solutions to customers from mining, electronics, chemicals, oil and gas, and food and beverage industries as well as in the municipal and residential segments. The company operates in Australia, Singapore and Germany, out of which the majority of the revenue is generated from .