... /4,3/8,7/8,5/4.13/8,1/2S,5/8, etc..Type: hoop, wall install, through, leaky, hook, rubber ring, 1/2,1/4,3/8,7/8 ... ,5/4.13/8 ... ,1/2S,5/8, etc TypeΦDia (mm)1/2”16 ... , Emerson,DTT, BT, China mobile,China unicom,China telecom, etc.Sales:$20 million /year