... products produced by Dajiang Electron Company include:DC connecting plugs, DC socket, connecting plugs for earphones, pins for earphones, earphone ... 5.5 DC power-supply, DC plug, DC jack, RCA jack, MiNi pin, RCA connecting plugs, MiNi USB plugs, earphone sockets ... Big-size Din, USB sockets, MiNi female mould, power-supply connecting plugs, audio plugs, video plugs, transferring plugs, switching plugs, ...