PT. Menara Alfasemesta ( MAS ) is a multi-national fast growing company based in Indonesia with expertise in technical engineering equipment supply for oil and gas, hydrocarbon processing, chemical, power, water resources, mining, pulp and paper, primary metal and general industry. MAS is fully staffed with skilled and professional experts who were always ready to provide design engineering, product application supply, installation and after sales service for a wide range of equipments and system in order to meet customer's requirements. At MAS, we always set our objectives clear and precise that is to ensure products availability, improve performance, safety awareness and minimize costs. World Leading Brands For solid reputation and sheer technology excellence MAS is supported by world class leading brands and manufacturers such as: John Crane, Sealol, Flexibox, Safematic, Metastream, Powerstream, Lemco, Vega, DeZurik, Asco, Copes-Vulcan, EVC, APV, KD and many more. Our Mission Committed in providing a wide-range, highest grade quality products as well as highest level of product and customer services. Our Vision To become one of the largest supplier of engineering products in Indonesia.