AEM Holdings Ltd. is Singapore-based company, which is a provider of semiconductor test solutions. It is engaged in designing and manufacturing of semiconductor manufacturing equipment and related tooling parts. Its segments include Test Cell Solutions, Instrumentation, Contract Manufacturing and Others. The Test Cell Solutions consists of system level test solution and wafer level test solution. The Instrumentation includes ATE solutions and test and measurement solutions. The system level test solution is used by chip manufacturers to test modules and panels in the electronics industry. The wafer level test solution is an application-specific test solution for Micro-Electro-Mechanical Systems (MEMS) devices. It provides contract manufacturing services, which includes printed circuit board and box-build assembly, equipment design, cable harness assembly, and other manufacturing services. It also provides materials management, circuit layout, prototype, and development engineering.