UMS Integration Ltd. is an investment holding company, which engages in manufacturing high precision front-end semiconductor components, performing electromechanical assembly, and final testing services. It operates through the following segments: Precision Component, Integrated System, and Others. The Precision Component segment offers precision machining, sheet metal fabrication, surface treatment, and sub-module assembly. The Integrated System segment deals with surface treatment and full module assembly. The Others segment includes the distribution of metal supplies, and water and chemical engineering solutions. The company was founded by Andy Luong in 1984 and is headquartered in Singapore.