Composite suspension Insulator KEMA;ISO 9001:2008,IEC High bending strength,good seals competive price High mechanical stre Composite suspension long rod InsulatorAdvantage:1,we are comosite suspension long rod manufacture2,KEMA;ISO 9001:2008 3,IEC standard. 4,High mechanical strength 5,Good performance of hydrophobicity and antipollution.6,Excellent electrical specification 7,Small volume and ...