... mobile communication cables 1/2,1/4,3/8,7/8,5/4.13/8,1/2S,5/8, etc..Type: hoop, wall install, through, leaky ... , rubber ring, 1/2,1/4,3/8,7/8,5/4.13/8,1/2S,5/8, etc TypeΦDia (mm)1/2”16-177 ... /8”26-283/8”10-121-1/4”38-401-5/8 ... ,DTT, BT, China mobile,China unicom,China telecom, etc.Sales:$20 million /year