Shenzhen Ramsun Microelectronics co., LTD. is specialized in producing high quality waterproof and led tact switch. Ultrathin type toggle switch; Push buttons and boat power switches; Micro switch , etc., are widely used in mobile phones, MP3, digital cameras,DVD, electric meter, computer.At the same time, Shenzhen Ramsun Microelectronics Co.,Ltd is also a supplier of seimicondutor components and memory IC solutions with obvious market advantages.