Welcome to BSE Co., Ltd.BSE is located at Inchon, the heart of Korean trade, where bridging Korea to the world through sky, sea and continent. We produce parts of 9mm in diameter used in wire or wireless telephone at the secondary factory, and new products of 4mm & 6mm in diameter with highly sensitive quality, highly sound quality and highly small size at the primary factory. Also our another factory which is located in China is producing ECM with 6mm in diameter in order to capture china market share effectively. We regard BSE as laboratory. We invest more than 20% of our annual income in R&D. Yes, BSE is the R&D oriented company which has about 50% of man power working at the area of R&D among all employees. Continuous R&D brought about amazing growth of BSE, at which even the world is surprised. At present, we are working together with Korea Electronic Technology Institute(KETI), Seoul National University, Korea Advanced Institute of Science and Technology(KAIST), SanYo Technical Research Co.,Ltd and Toshiba. BSE not only develops and possess all of core technology for ECM manufacturing by itself, but also ensures predominance over price competition by vertically systemizing materials, parts, and equipments. It is the secret power to increase the rate of new products to 70% of total sales that BSE includes all areas and presses on to hold infinite future.