Preformed double suspension clamp for OPGW OEM manufacturer ISO 9001:2000, Preformed Double Suspension Clamp for OPGW 1.Component: inner preformed wire,outter preformed wire,rubber insert,casting aluminum shell. 2.Usage:supporting,make OPGW cable hang on the pole and tower. 3.Features:a,stress on average,no concentration stress,protect cable better. b,good dynamic stress.It can provide enough ...