... 50*50,50*200mm low carbon steel wire GI,PVC,Vinyl Double Circle Protection fence Surface Treatment of Double circle protection ... Fence: galvanized,PVC coated(white,dark green, light green, black...),Vinyl coated Advantages of Double circle protection fence: anti-corrosion, Anti ... can be used for highways, airports, municipal green space, garden flower beds, units green space and port green space of the ...