Han Sem Engineering Co. is a leading manufacturer of switches. Since 1992, we have produced a variety of switches such as tact, push, slide switches, micro, power, rocker switches, telephone hook switches, taping tack switches and so on.We also constructed Chinese factory in 1996. At home we supplied the products to major companies such as Samsung, Hyundai electronics, Maxon and other 15 customers.We are also known all over the world through active marketing and our products are exported to France, Germany, Italy, India, Singapore, Egypt, USA, U.K., Taiwan, Hong Kong, Brazil, and Canada.