Mun Siong Engineering Limited is a Singapore-based investment holding company. The Company is engaged in providing mechanical engineering and provision of specialized services. It operates in Mechanical, electrical, instrumentation and others segment. Its services include engineering design, construction, electrical and instrumentation, maintenance and turnaround, specialized services, and scaffolding. Its products include Conco, Curran International, Milwaukee, Oxifree, Primus Line and STB. Conco enables power plants, refineries and industrial production facilities to improve profitability, productivity and reliability through an integrated platform of products and services for condensers and heat exchangers. Curran International provides a range of tubular heat transfer equipment services to restore exchangers and extend the service life of fixed assets. Milwaukee Tool is a manufacturer of heavy-duty power tools, accessories, hand tools, and storage for professional users.