Tianjin Langbo electronic co.,Ltd founded in 1996,specializes in developing ,manufacturing all kinds of earphones and computer peripheral cables for 15 years,Our goods has passed BV,ISO9001:2000,UL,14000,ISO/TS16949:2002 .ROHS,CE,SGS are all available as demand .our service principle is :Putting customers first,always provide customers more competitive price,more superior quality and more ecological goods at a faster speed!