Hao Tian switch technology factory was founded in 1985, specializing in R & D, manufacturing precision switch socket products. At present the product DC socket, rocker switches, straight key switch, micro switch. The self-locking switch, button switch, button switch , Headset socket, door lock switch, vibration switch, dial switch USB socket. With the continued accumulation of R & D, manufacturing technology, and marketing experience, Hao Tian switch technology adhere to provide customers with excellent quality, quick delivery and professional technical support and service. Http://www.dcchazuo.com/ Elton switch technology factory was founded in 1985, specializes in the research and development of precision switches and sockets, manufacturing products. Current products DC socket, rocker switch, straight key switch, micro switch. Self-locking switch, key switch, button switch, headphone jack, lock switch, vibration switch, DIP switch USB socket. With continued accumulation of research and development, manufacturing technology, and marketing experience in the market, Elton switch technology to provide customers insist on good quality, fast delivery and professional technical support and services. http://www.dcchazuo.com/