TSE is a company specializing in semiconductor inspection equipment. Among the inspection equipment used in the wafer test and package test process, typical consumable and model replaceable products include probe card, package test interface board (TIB), and test socket. TSE is the only company in the world that manufactures & supplies all three products. The core competitiveness is that we have a business structure that creates mutual synergy with representative semiconductor inspection devices such as probe card, TIB, and test socket technology, and that it has good internalization and vertical integration of major parts. Through this, we can achieve the business structure that facilitates the development of turnkey solutions and convergence products.