... with decades 4.superior service timely Aluminum or copper or aluminium cable steel reinforced twisted wire Model:LGJ,JL/G1A,JL ... voltage:300/300V,300/500V,450/750V*power cable-pvc as insulation material ,pvc as jacket,we call VVcable ( inflame retardant,fire ... /1KV) and medium voltage(6/10kv---35KV).*control cable-PVC as insulation material,pvc as jacket material, ( inflame retardant,fire resistant, ...